Relevant bibliographies by topics / Animal migration

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Animal migration'

Author: Grafiati
Published: 4 June 2021
Last updated: 28 July 2024

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Journal articles on the topic "Animal migration"

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Hibbit, Cate. "Animal Migration." American Biology Teacher 78, no. 3 (March 1, 2016): 268. http://dx.doi.org/10.1525/abt.2016.78.3.268.

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Couzin, Iain D. "Collective animal migration." Current Biology 28, no. 17 (September 2018): R976—R980. http://dx.doi.org/10.1016/j.cub.2018.04.044.

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Kölzsch, Andrea, Erik Kleyheeg, Helmut Kruckenberg, Michael Kaatz, and Bernd Blasius. "A periodic Markov model to formalize animal migration on a network." Royal Society Open Science 5, no. 6 (June 2018): 180438. http://dx.doi.org/10.1098/rsos.180438.

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Regular, long-distance migrations of thousands of animal species have consequences for the ecosystems that they visit, modifying trophic interactions and transporting many non-pathogenic and pathogenic organisms. The spatial structure and dynamic properties of animal migrations and population flyways largely determine those trophic and transport effects, but are yet poorly studied. As a basis, we propose a periodic Markov model on the spatial migration network of breeding, stopover and wintering sites to formally describe the process of animal migration on the population level. From seasonally changing transition rates we derived stable, seasonal densities of animals at the network nodes. We parametrized the model with high-quality GPS and satellite telemetry tracks of white storks ( Ciconia ciconia ) and greater white-fronted geese ( Anser a. albifrons ). Topological and network flow properties of the two derived networks conform to migration properties like seasonally changing connectivity and shared, directed movement. Thus, the model realistically describes the migration movement of complete populations and can become an important tool to study the effects of climate and habitat change and pathogen spread on migratory animals. Furthermore, the property of periodically changing transition rates makes it a new type of complex model and we need to understand its dynamic properties.
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Bauer, S., and B. J. Hoye. "Migratory Animals Couple Biodiversity and Ecosystem Functioning Worldwide." Science 344, no. 6179 (April 3, 2014): 1242552. http://dx.doi.org/10.1126/science.1242552.

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Animal migrations span the globe, involving immense numbers of individuals from a wide range of taxa. Migrants transport nutrients, energy, and other organisms as they forage and are preyed upon throughout their journeys. These highly predictable, pulsed movements across large spatial scales render migration a potentially powerful yet underappreciated dimension of biodiversity that is intimately embedded within resident communities. We review examples from across the animal kingdom to distill fundamental processes by which migratory animals influence communities and ecosystems, demonstrating that they can uniquely alter energy flow, food-web topology and stability, trophic cascades, and the structure of metacommunities. Given the potential for migration to alter ecological networks worldwide, we suggest an integrative framework through which community dynamics and ecosystem functioning may explicitly consider animal migrations.
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Li, Xiangtao, Jie Zhang, and Minghao Yin. "Animal migration optimization: an optimization algorithm inspired by animal migration behavior." Neural Computing and Applications 24, no. 7-8 (June 15, 2013): 1867–77. http://dx.doi.org/10.1007/s00521-013-1433-8.

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Hobson, Keith A. "Tracking animal migration with stable isotopes." Open Access Government 38, no. 1 (April 12, 2023): 458–59. http://dx.doi.org/10.56367/oag-038-10757.

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Tracking animal migration with stable isotopes Keith A. Hobson from Western University and Environment and Climate Change Canada, walks us through tracking animal migration with stable isotopes, starting with some background information. Animal migration is one of the most iconic of all natural phenomena and humans have marvelled at animals' ability to navigate over vast distances often under arduous conditions. Periodic to-and-fro migration is the most familiar form, and birds have clearly captured our imagination on that front with their conspicuous annual movements and arrivals between continents. However, how animals successfully move in this way is still not fully appreciated, and a full understanding will ultimately involve expertise from diverse disciplines.
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Alerstam, Thomas, and Johan Bäckman. "Ecology of animal migration." Current Biology 28, no. 17 (September 2018): R968—R972. http://dx.doi.org/10.1016/j.cub.2018.04.043.

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DINGLE, HUGH. "Evolutionary Genetics of Animal Migration." American Zoologist 31, no. 1 (February 1991): 253–64. http://dx.doi.org/10.1093/icb/31.1.253.

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Cao, Yi, Xiangtao Li, and Jianan Wang. "Opposition-Based Animal Migration Optimization." Mathematical Problems in Engineering 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/308250.

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AMO is a simple and efficient optimization algorithm which is inspired by animal migration behavior. However, as most optimization algorithms, it suffers from premature convergence and often falls into local optima. This paper presents an opposition-based AMO algorithm. It employs opposition-based learning for population initialization and evolution to enlarge the search space, accelerate convergence rate, and improve search ability. A set of well-known benchmark functions is employed for experimental verification, and the results show clearly that opposition-based learning can improve the performance of AMO.
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Lennox, Robert J., Jacqueline M. Chapman, Christopher M. Souliere, Christian Tudorache, Martin Wikelski, Julian D. Metcalfe, and Steven J. Cooke. "Conservation physiology of animal migration." Conservation Physiology 4, no. 1 (2016): cov072. http://dx.doi.org/10.1093/conphys/cov072.

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Dissertations / Theses on the topic "Animal migration"

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Zango, Palau Laura. "Individual specialization in foraging and migration strategies in long-lived seabirds." Doctoral thesis, Universitat de Barcelona, 2021. http://hdl.handle.net/10803/672942.

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Individual specialization refers to individuals using different portions of the total ecological niche of the population. The fact that individuals segregate into different strategies has important implications on ecology, evolution and conservation, which can be even greater than the implications associated to differences among species. Therefore, it is important to know the degree of individual specialization in wild populations and in what dimensions of individuals’ ecological niche it occurs. Similarly, to understand the processes underlying individual specialization, it is key to study intrinsic drivers and environmental conditions that lead individuals to segregate into different portions of the ecological niche. In this thesis, we aimed to delve into the extent of individual specialization in foraging and migration strategies, as well as to provide insights on the intrinsic and extrinsic drivers that shape it. We used two long-lived seabird species, Cory’s (Calonectris borealis) and Scopoli’s (C. diomedea) shearwaters, to study individual specialization in feeding and migratory traits by using stable isotope analyses, global location sensing (GLS) and global positioning system (GPS) loggers. In this thesis, we showed that individuals specialize in several aspects of the ecological niche, namely diet, foraging and wintering grounds, habitat use, daily habits and foraging movements. However, in none of these traits individuals showed high levels of specialization, thus suggesting a stabilizing selection in specialization levels. Regarding intrinsic drivers, our results elucidate that males and females can differ in their degree of individual specialization in diet and foraging movements. These differences were probably driven by a higher use of males on fishery discards. We also showed that the same individual can develop different strategies under different habitats, indicating individual foraging strategies are likely learned with experience when individuals are young and not driven by intrinsic constraints, such as physiological or morphological constraints. Regarding the extrinsic drivers, we provide evidences that resource scarcity is more relevant in driving among-individual variability in foraging movements than resource predictability. Overall, in this thesis we demonstrate that the extent of individual specialization within populations can depend on several intrinsic and extrinsic factors, and that individual specialization is a complex phenomenon that can vary across species and ecological traits. The fact that individuals can develop different strategies independently in different areas indicates a remarkable plasticity that may help them to cope with future natural or anthropogenic changes in the environment.
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Sparrow, Alexander. "LIM kinase and metanephric mesenchymal cell migration in the developing mouse kidney." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/31106/.

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The adult mammalian kidney forms from the reciprocal interaction between two tissues; the ureteric bud which will form the collecting duct system and the metanephric mesenchyme which will form all the cells in the nephrons. This thesis used ex-vivo embryonic kidney culture to show that during mouse kidney development metanephric mesenchymal cells migrated towards the periphery of the kidney. When this migration is pharmacologically inhibited the Six2 expressing metanephric mesenchyme cells no longer expanded their population and kidney development ceases. LIM kinase, which had been shown to regulate cell migration, when inhibited not only prevented cell migration in both embryonic mouse kidneys and in HK2 cells but also prevented embryonic kidney cells from completing mitosis and caused them to undergo apoptosis. This thesis showed that inhibition of LIM kinase in HK2 cells resulted in the formation of multiple alpha-tubulin foci, multiple centrosomes, the premature dispersal of the cohesin complex protein SMC3 in the absence of a fully formed spindle, and cell death. Thus concluding that active LIM kinase is required for the generation of the mitotic spindle and the appropriate dispersal of SMC3. This thesis furthered the understanding of how the metanephric mesenchyme develops and showed that these cells migrated away from the ureteric bud and this migration is required for further growth of the kidney. This thesis also showed that active LIM kinase is required for the completion of mitosis in both embryonic kidneys and HK2 cells.
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Grigg, Jamin Lyle. "Gradients of predation risk affect distribution and migration of a large herbivore." Thesis, Montana State University, 2007. http://etd.lib.montana.edu/etd/2007/grigg/GriggJ1207.pdf.

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Roos, Marna. "Elucidating the role of WDR47 in regulating neuronal migration, autophagy and tubulin dynamics." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/96065.

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Thesis (MSc)--Stellenbosch University, 2014.
ENGLISH ABSTRACT: Introduction Normal cerebral cortex development depends on extensive neuronal migration during embryogenesis, permitting the formation of accurate synaptic circuits and a highly ordered laminar neocortex. The motility of a migrating neuron is achieved by a dynamic microtubule cytoskeleton that alternates between states of stabilization/lengthening and destabilization/shortening. This dynamic instability of the microtubule cytoskeleton is controlled by numerous microtubule-stabilizing and -destabilising proteins that bind directly to microtubules. Autophagy (“self-eating”), a major bulk intracellular degradation system, involves the fusion of autophagosomes with lysosomes, followed by proteolysis and recycling of cellular constituents. Like neuronal migration, autophagy is a microtubule-dependent process. The dynamic microtubule network serves as a track for autophagosomes to be transported to the lysosomes. WDR47 is a protein that is expressed in the brain during development, but of which the function is largely unknown. Novel interactions have recently been identified between Reelin and WDR47 and between the microtubule-destabilising protein superior cervical ganglion 10 (SCG10) and WDR47. These findings suggest that WDR47 may be regulating microtubule-dependent processes such as neuronal migration and autophagy. We hypothesize that WDR47 may play a role in regulating neuronal migration and/or autophagy, and that this regulation may be mediated by a tubulin stability-regulating role of WDR47. Aims and Methods Our aims are to assess the cellular localization of WDR47 in GT1-7 cells and to determine whether WDR47 is able to influence neuronal migration, filopodia extension, surface adhesion, ultra-structure, autophagy, tubulin stability, and tau or SCG10 protein levels. GT1-7 neuronal cells were cultured under normal conditions and transfected with WDR47 siRNA for 24 hours, followed by western blot verification of the knock-down. A 36 hour neuronal in vitro cell migration assay was performed and images of the wound were captured every 6 hours; the migration distances and the wound areas for the different time points were measured and analysed. A 24 hour migration assay was performed, capturing images every hour, and the direction of migration was determined. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were performed to analyse neuronal surface morphology and ultra-structure. Western blot analysis of SCG10, acetylated α-tubulin, Tau, LC3, and Sequestosome 1/p62 (SQTM1) protein levels was performed. Super-resolution structured Illumination microscopy (SR-SIM) three-dimensional (3-D) imaging of WDR47-YFP transfected cells, confocal microscopy of LC3 and acetylated tubulin, co-localization analysis of WDR47 and acetylated tubulin, and fluorescence recovery after photo-bleaching (FRAP) analysis were performed. Results WDR47 siRNA treatment significantly reduced the average migration distance and the migration velocity, resulted in fewer filopodia-like extensions as well as perturbed surface adhesion of migrating neurons, and lead to an increased presence of endoplasmic reticulum (ER) structures as well as an expanded nuclear envelope. LC3-II protein levels were significantly lower with WDR47 siRNA treatment, but were significantly increased with WDR47 siRNA treatment in conjunction with Bafilomycin A1 treatment, indicating increased autophagic flux. SCG10 protein levels were significantly decreased with WDR47 siRNA treatment. SR-SIM and confocal microscopy of WDR47 siRNA treated cells revealed a robust presence of highly convoluted acetylated tubulin in the perinuclear region as well as decreased LC3 fluorescence signal. Confocal microscopy revealed co-localization of WDR47 with acetylated tubulin. - Discussion and Conclusion: The results suggest that WDR47 is involved in regulating neuronal migration, neuronal surface adhesion and filopodia formation, microtubule dynamics, and likely also autophagic flux. Taken together, we propose that WDR47 is regulating microtubule dynamics by facilitating assembly of microtubule-regulating proteins such as SCG10, thereby affecting microtubule-dependent processes such as neuronal migration and autophagy.
AFRIKAANSE OPSOMMING: Inleiding Normale serebrale korteks ontwikkeling is hoogs afhanklik van neuronale migrasie tydens embriogenese, en is belanrik vir die vorming van akkurate sinaptiese netwerke en 'n hoogs geordende laminêre neokorteks. Die vermoё van 'n neuron om te migreer berus op 'n hoogs dinamiese mikrotubulien sitoskelet wat verleng/stabiliseer of verkort/destabiliseer soos tubulien-eenhede begevoeg of verwyder word. Hierdie dinamiese onstabiliteit van die mikrotubulien sitoskelet word beheer deur verskeie mikrotubulien-stabiliserende en - destabiliserende proteïene wat direk bind aan mikrotubuliene. Autofagie ("self-eet"), 'n grootmaat intrasellulêre degradasie stelsel, behels die fussie van autofagosome met lisosome, gevolg deur proteolitiese afbraak van sellulêre organelle en proteine. Soos neuronale migrasie is autofagie 'n mikrotubulien-afhanklike proses. Die dinamiese mikrotubulien netwerk dien as 'n spoor vir die vervoer van autofagosome na lisosome. WDR47 is 'n proteïen wat voorkom in die brein tydens ontwikkeling, maar waarvan die funksie grootliks onbekend is. Interaksies was onlangs geïdentifiseer tussen beide Reelin en WDR47 en die mikrotubulien-destabiliserende proteïen SCG10 en WDR47. Hierdie bevindinge dui daarop aan dat WDR47 n rol speel in die regulering van tubulienstabiliteit en sodoende mikrotubulien-afhanklike prosesse. Ons veronderstel dat WDR47 'n rol kan speel in die regulering van neuronale migrasie en/of autofagie en dat hierdie regulasie moontlik afhanklik is van 'n tubulien-stabiliteit-regulerende rol van WDR47. - Doelwitte en Metodes: Ons doelwitte is om die sellulêre lokalisering van WDR47 in GT1-7 neurone te evallueer en om te bepaal of WDR47 n effek het op neuronale migrasie, oppervlak adhesie en filopodia formasie, ultra-struktuur, autofagie, tubulien-netwerke en -stabiliteit, en Tau of SCG10 proteïenvlakke. GT1-7 neuronale selle is gekweek onder normale omstandighede en vir 24 uur getransfekteer met WDR47 siRNA, gevolg deur verifikasie met Western-blot analise. 'n 36 uur neuronale in vitro sel migrasie toets is uitgevoer en fotos van die wond is elke 6 uur geneem. Die migrasie afstande en die wondareas vir die verskillende tydpunte is gemeet en ontleed. 'N 24-uur-migrasie toets is uitgevoer, 'n foto van die wond is elke uur geneem, en die rigting van migrasie is bepaal. Skandering elektronmikroskopie (SEM) en transmissieelektronmikroskopie (TEM) is uitgevoer om neuronale oppervlakmorfologie en ultrastruktuur te observeer. Western blot analise van SCG10, geasetieleerde α-tubulien, Tau, LC3 en Sequestosome 1/p62 (SQTM1) proteïenvlakke is uitgevoer. Super-resolusie gestruktureerde verligting mikroskopie (SR-SIM) driedimensionele (3-D) beelding van WDR47-YFP getransfekteerde selle, konfokale mikroskopie vir visualisering van LC3 en tubulien, co-lokalisering analise van beide WDR47 en LC3 en WDR47 en tubulien, asook fluorescentie hersteling na foto-bleek (FRAP) analise is uitgevoer. Resultate Die gemiddelde migrasie-afstand en die migrasiesnelheid (μm/min) het beduidend afgeneem met WDR47 siRNA behandeling. SEM analise van WD47 siRNA-behandelde neurone het minder filopodia en veranderde oppervlak adhesie vertoon, en TEM analise het 'n verhoogde teenwoordigheid van endoplasmiese retikulum (ER) strukture, en 'n uitgebreide kernmembraan vertoon. LC3-II proteïenvlakke was beduidend laer met slegs WDR47 siRNA behandeling, maar beduidend hoёr met WDR47 siRNA behandeling in samewerking met Bafilomycin A1 behandeling. Hierdie resultate dui aan op toeneemende autofagie met WDR47 siRNA behandeling. Verder, beduidend laer vlakke van SCG10 proteïenvlakke is waargeneem met WDR47 siRNA behandeling. SR-SIM en konfokale mikroskopie van WDR47 siRNA behandelde selle het 'n robuuste teenwoordigheid van hoogs buigende geasetieleerdetubulien in die area rondom die nukleus, 'n afgeneemde LC3 Bespreking en Gevolgtrekking Die resultate dui daarop aan dat WDR47 betrokke is by die regulering van neuronale migrasie, filopodia vormasie, oppervlak adhesie, mikrotubuliendinamika, en waarskynlik ook autofagie. Ons stel voor dat WDR47 mikrotubuliendinamika afekteer deur die regulering van proteïene soos SCG10, en sodoende mikrotubulienafhanklike prosesse soos neuronale migrasie en autofagie fasiliteer.
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Lindmark, Elianne M. "Flow design for migrating fish /." Luleå : Division of Fluid Mechanics, Department of Applied Physics and Mechanical Engineering, Luleå University of Technology, 2008. http://epubl.luth.se/1402-1544/2008/55.

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Trinks, Alexandra Maria. "Reconstructing patterns of migration and translocation of different animal taxa across the Indian Ocean and Island South-East Asia." Thesis, Durham University, 2014. http://etheses.dur.ac.uk/11556/.

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The Indian Ocean represents one of the oldest exchange networks connecting South-East-Asia with India, the Arabian peninsula, as far as Africa in the West. Since the beginning of the Common Era, extensive trade between geographically distant and culturally diverse people enabled the transmission of not only new technologies, exotic goods and food items, but also diverse plant and animal species. Although archaeological remains, particularly from the 1st millennium AD, reflect an intensification of maritime connectivity across the Indian Ocean, the exact routes of travel and trade across this vast area in early times are still subject to discussion. This thesis presents different projects that aim to assess the potential of using commensal animals, such as the house mouse Mus musculus, the black rat Rattus rattus, and the Asian house gecko Hemidactylus frenatus, as proxies to infer pathways of human travel and trade. Commensal species are usually small animals, that live in close association with humans and opportunistically exploit their habitat and food sources. Utilisation of these new resources has led to a close relationship between humans and certain species, and thus favoured their global distribution due to translocations through humans. Therefore, genetic analyses from modern and museum samples of the species in question have been employed, and embedded in a phylogeographic approach. This integrative methodology connects genealogy and geography, with the aim to reconstruct evolutionary, demographic, and biogeographic processes that led to the contemporary distribution of genetic lineages of the commensal species and subsequently mirrors travel routes of the humans who carried them. The incorporation of ancient DNA analysis provides a powerful method, not only enabling the detection of source populations, but direct monitoring of their genetic change through time. Given that people have moved them around for a long time, undirected distribution pattern of populations were expected for each species. However, the results demonstrate that several unique and geographically restricted lineages have been identified, reflecting past human-mediated translocation throughout the Indian and Pacific Ocean from the 1st millennium AD onwards.
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Tabacca, Natalie Ellen. "Epithelial Migration on the Canine Tympanic Membrane." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306719375.

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Lysiak, Nadine Stewart J. "Investigating the migration and foraging ecology of North Atlantic right whales with stable isotope geochemistry of baleen and zooplankton." Restricted access (UM), 2008. http://libraries.maine.edu/gateway/oroauth.asp?file=orono/etheses/37803141.pdf.

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Rasmussen, John C. "Development of a radiative transport based, fluorescence-enhanced, frequency-domain small animal imaging system." Thesis, [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1067.

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Tekeli, Işil. "Bioengineering approach to study the role of cell migration during zebrafish heart regneration." Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/396098.

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Zebrafish heart regeneration remains one of the most interesting phenomena of the 21st century. Considering the extremely high rate of deaths due to cardiovascular diseases in the developed countries, 1 out of every 3 people, understanding natural cardiac regeneration would address a worldwide challenge. Even though many aspects of zebrafish heart regeneration have been elucidated, there are still many open questions to be answered. Among these, the work presented here focuses on understanding cell migration mechanisms of cardiomyocytes and epicardial cells during heart regeneration. The first approach involves the development of a cardiomyocyte-specific, photoinducible Cre/lox genetic labeling system and its use in lineage tracing of embryonic cardiomyocytes during heart development and regeneration. By using this method we showed that cardiomyocytes labeled in embryonic hearts survive and contribute to all myocardial layers of the adult zebrafish heart. Moreover, lineage tracing during regeneration showed that only cardiomyocytes immediately adjacent to the injury site contribute to the regeneration, and cardiomyocyte fate is extensively predetermined, with cells from each myocardial layer giving rise to cells that retain their layer identity in the regenerated myocardium. Then, we showed that by coupling this labeling system to three-photon microscopy activation, we can perform prospective labeling, and increase the spatial resolution of our labeling system. Three-photon illumination has been used for in vivo imaging of deep structures, but whether it can be used for photo-activation had never been tested. Here we showed, theoretically and experimentally for the first time, that three-photon illumination is suitable for activating molecules in deep tissues and improving our system in terms of spatial resolution and prospective labeling. The final approach consisted on developing an ex vivo experimental set up in order to investigate physical characteristics of epicardial cell migration during zebrafish heart regeneration. This method allowed us to measure physical features that are essential for cell migration such as migration velocity and traction forces of the epicardial explants obtained from zebrafish hearts. All the approaches developed in this thesis offer new bioengineering tools to study zebrafish heart regeneration, and reveal new insights on this process. Moreover, these techniques present wide applicability to perform lineage tracing of other cell types during zebrafish heart regeneration or in other biological processes.
Los humanos tienen una capacidad muy limitada para regenerar el corazón y, como consecuencia de ello, una de cada tres personas fallece debido a enfermedades cardíacas. En cambio, el pez cebra tiene una enorme capacidad intrínseca para restaurar grandes porciones de su corazón tras un daño, por lo que se ha convertido en uno de los modelos experimentales más usados para investigar la regeneración del corazón. Entender los mecanismos que controlan la regeneración cardíaca del pez cebra permitirá desarrollar estrategias para regenerar el corazón humano y buscar soluciones a estas enfermedades. Basándonos en este gran objetivo, el trabajo que forma el estudio de esta tesis doctoral detalla algunas aproximaciones de bioingeniería dirigidas a estudiar el papel de la migración celular de los cardiomiocitos y de las células del epicardio durante la regeneración del corazón del pez cebra. La primera aproximación es un sistema de seguimiento del linaje de los cardiomiocitos del pez cebra para investigar su destino durante la regeneración cardiaca. Para esto, se desarrolló un sistema de marcado genético de linaje con triple especificidad, de tipo celular, temporal y espacial, que permitió marcar los cardiomiocitos en diferentes partes del corazón. Utilizando esta técnica se demostró que durante la regeneración sólo los cardiomiocitos inmediatamente adyacentes a la lesión contribuyen al miocardio regenerado. A continuación, se utilizó la iluminación multifotón de tres fotones para fotoactivar cardiomiocitos in vivo con el objetivo de aumentar la resolución espacial del marcado genético. En este trabajo se demostró teóricamente y experimentalmente que la iluminación de tres-fotones supera problemas de dispersión y es capaz de realizar la fotoactivación, convirtiéndose en el primer ejemplo donde se consigue utilizar este tipo de iluminación para fotoactivar células in vivo. El uso de la iluminación de tres fotones en combinación con el sistema de marcado genético fotoinducible permitió marcar los cardiomiocitos de embriones de pez cebra de forma prospectiva. Por último, se desarrolló un sistema ex vivo para caracterizar el comportamiento migratorio de las células del epicardio del corazón del pez cebra con el fin de investigar las características físicas de la migración celular durante la regeneración. Este método permitió medir las características físicas esenciales para la migración celular, tales como la velocidad migratoria y las fuerzas de tracción en las células del epicardio.
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Books on the topic "Animal migration"

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Mebane, Jeanie. Animal migration. Mankato, MN: Capstone Press, 2013.

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Nielsen, Nancy J. Animal migration. New York: F. Watts, 1991.

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ill, Baginska Vanda, ed. Animal migration. New York: Bookwright Press, 1987.

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McDonnell, Janet. Animal migration. [Chanhassen, MN]: Child's World, 1998.

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K, Schueller Sheila, ed. Animal migration. New York: Chelsea House, 2009.

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Migration. Minneapolis: Lerner, 2010.

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Paul, Bennett. Migration. New York: Thomson Learning, 1995.

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Carmichael, L. E. Locust migration. Mankato, MN: The Child's World, 2012.

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Wood, Alix. Amazing animal journeys. New York: Windmill Books, 2013.

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Vaughan, Marcia K. Incredible journeys: Animal migration. Upper Saddle River, NJ: Peasrson/Celebration Press, 2006.

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Book chapters on the topic "Animal migration"

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Dey, Susmita, Dola Das, and Arijit Chakraborty. "Migration." In Encyclopedia of Animal Cognition and Behavior, 1–10. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-47829-6_914-1.

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Dey, Susmita, Dola Das, and Arijit Chakraborty. "Migration." In Encyclopedia of Animal Cognition and Behavior, 4301–10. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-319-55065-7_914.

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Viljoen, G. J., A. G. Luckins, and I. Naletoski. "Animal Migration Tracking Methods." In Stable Isotopes to Trace Migratory Birds and to Identify Harmful Diseases, 11–33. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28298-5_2.

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Hobson, Keith A., Rachel Barnett-Johnson, and Thure Cerling. "Using Isoscapes to Track Animal Migration." In Isoscapes, 273–98. Dordrecht: Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-3354-3_13.

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Rai, Riya, and Virendra Singh Kushwah. "New Approach for Animal Migration Optimization Algorithm." In Lecture Notes in Networks and Systems, 509–16. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8198-9_54.

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Prosser, Diann J., Jessica Nagel, and John Y. Takekawa. "ANIMAL MIGRATION AND RISK OF SPREAD OF VIRAL INFECTIONS." In Viral Infections and Global Change, 151–78. Hoboken, NJ: John Wiley & Sons, Inc, 2013. http://dx.doi.org/10.1002/9781118297469.ch9.

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Müller, Werner A. "Animal Morphogenesis Is Shaped Actively by Adhesion and Cell Migration." In Developmental Biology, 228–34. New York, NY: Springer New York, 1997. http://dx.doi.org/10.1007/978-1-4612-2248-4_12.

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Zivkovic, Miodrag, Ana Vesic, Nebojsa Bacanin, Ivana Strumberger, Milos Antonijevic, Luka Jovanovic, and Marina Marjanovic. "An Improved Animal Migration Optimization Approach for Extreme Learning Machine Tuning." In Lecture Notes in Networks and Systems, 3–13. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-09176-6_1.

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Couzin, Iain. "Animal Migration." In Migration, 166–80. Cambridge University Press, 2020. http://dx.doi.org/10.1017/9781108778497.009.

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"animal migration." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 51. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_11998.

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Conference papers on the topic "Animal migration"

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Duraki, Sadat, Sercan Demirci, and Selcuk Aslan. "UAV Placement with Animal Migration Optimization Algorithm." In 2020 28th Telecommunications Forum (TELFOR). IEEE, 2020. http://dx.doi.org/10.1109/telfor51502.2020.9306631.

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Bhambu, Pawan, and Sandeep Kumar. "Levy Flight based Animal Migration Optimization algorithm." In 2016 International Conference on Recent Advances and Innovations in Engineering (ICRAIE). IEEE, 2016. http://dx.doi.org/10.1109/icraie.2016.7939570.

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Vesic, Ana, Marina Marjanovic, Aleksandar Petrovic, Ivana Strumberger, Eva Tuba, and Timea Bezdan. "Optimizing Extreme Learning Machine by Animal Migration Optimization." In 2022 IEEE Zooming Innovation in Consumer Technologies Conference (ZINC). IEEE, 2022. http://dx.doi.org/10.1109/zinc55034.2022.9840711.

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Devaraj, B., K. Fukuchi, Y. Watanabe, H. Ishihata, M. Kobayashi, T. Yuasa, H. Endo, et al. "Laser Computed Tomographic Images of Bones and Teeth by Coherent Detection Imaging in the Visible and Near-IR Regions." In Advances in Optical Imaging and Photon Migration. Washington, D.C.: Optica Publishing Group, 1996. http://dx.doi.org/10.1364/aoipm.1996.cit214.

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The coherent detection imaging method that is based on the optical heterodyne detection technique is used to obtain laser computed tomographic images of animal bones and human teeth in the visible and near-IR regions. The image contrast is shown to be wavelength dependent. Laser tomographic images of a tooth pathological condition also confirms a wavelength dependent difference in structure and contrast. Use of green light along with red or near-IR light is suggested as a potential for hard tissues imaging in vivo.
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Boppart, Stephen A., Gary J. Tearney, Brett E. Bouma, James G. Fujimoto, and Mark E. Brezinski. "Optical Coherence Tomography of Embryonic Morphology During Cellular Differentiation." In Advances in Optical Imaging and Photon Migration. Washington, D.C.: Optica Publishing Group, 1996. http://dx.doi.org/10.1364/aoipm.1996.cit231.

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Improved imaging of morphological changes has the potential of offering new insight into the complex process of embryonic development. Optical coherence tomography (OCT), is a new imaging technique for performing in vivo cross-sectional imaging of architectural morphology by measuring backscattered infrared light. This study investigates the application of OCT for imaging developing structure in Xenopus laevis (African frog) and Brachydanio rerio (zebra fish), two developmental biology animal models. Images are compared to corresponding histological preparations. Cross sectional imaging can be performed and structural morphology identified at greater imaging depths than possible with confocal and light microscopy. Repeated OCT imaging may be performed in vivo in order to track structural changes throughout development. Imaging in vivo microscopic embryonic morphology with OCT is a fundamental biological research application for the study of genetic disease.
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Altizer, Sonia M. "Monarchs as a model system for studying animal migration and infectious diseases." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.88949.

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Liu, Xuan, Kai Cui, Cheng Hu, Rui Wang, Huafeng Mao, and Dongli Wu. "A dynamic short-range animal migration forecast model based on weather radar network." In IET International Radar Conference (IRC 2023). Institution of Engineering and Technology, 2023. http://dx.doi.org/10.1049/icp.2024.1760.

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Ballora, Mark. "Music of Migration and Phenology: Listening to Counterpoints of Musk Ox and Caribou Migrations, and Cycles of Plant Growth." In The 22nd International Conference on Auditory Display. Arlington, Virginia: The International Community for Auditory Display, 2016. http://dx.doi.org/10.21785/icad2016.016.

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This extended abstract describes a sonification that was commissioned by a biologist/animal ecologist. The sonification was created with the software synthesis program SuperCollider [1]. The motivation for creating it was to pursue additional levels of engagement and immersion by supplementing the effects of visual plots, as well as to create an informative rendering of a multivariate dataset. The goal is for audiences, in particular students and laypeople, to readily understand (and hopefully find compelling) the phenomena being described. The approach is parameterbased, creating “sonic scatter plots” [2] in the same manner as work described in earlier publications [3], [4]. The work described here is a current experimental project that takes a sonic approach to describing the interactions of plant phenology and animal migrations in Greenland. This area is seen as a predictor of how climate change may affect areas farther south. There is concern about the synchronicity of annual caribou migrations with the appearance of plant food sources, as warmer temperatures may cause plants to bloom earlier and in advance of the caribou arrival at their calving grounds; depleted food availability at calving time can lead to lower populations of caribou. Parts of this sonification will be applied to a multi-year professional development workshop for middle and high school science teachers. It is hoped that sonifications of plant observations made by teachers and students will enhance student engagement, and possibly lead to greater degrees of understanding of phenology patterns.
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Tsiunchyck, O. S., T. I. Khomich, and D. V. Preobrazhensky. "Effects of Low-intensity Laser Irradiation on Animal Antioxidant System." In European Conference on Biomedical Optics. Washington, D.C.: Optica Publishing Group, 2001. http://dx.doi.org/10.1364/ecbo.2001.4433_65.

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The effects of laser irradiation on human and animal organisms have been intensively studied, but the mechanism of this effect is not well understood and discussed on the level of hypothesis. The effect of low-intensity laser irradiation (LILI) depends both on its physical parameters (wavelength, power density, time etc.) and on optical properites of irradiated tissues. The biological response on LILI started from the resonance absorption of irradiation by specific acceptors-enzymes, pigments and other biochemical structures containing in most cases chromophores. At the same time, distribution of absorbed energy between oscillated-excited states of atomic groups of macromolecules with following energy migration takes place too. Such effects induced changes in intensity of lipid peroxidation (LPO) and transitions of cell membrane confirmations with following changes of membrane enzyme activity (adenilate cyclase, ATPase) and ion permeability of membranes [1-3].
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Lai, Zhaolin, Xiang Feng, and Huiqun Yu. "An Improved Animal Migration Optimization Algorithm Based on Interactive Learning Behavior for High Dimensional Optimization Problem." In 2019 International Conference on High Performance Big Data and Intelligent Systems (HPBD&IS). IEEE, 2019. http://dx.doi.org/10.1109/hpbdis.2019.8735450.

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Reports on the topic "Animal migration"

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Jungsberg, Leneisja, and Diana N. Huynh. Young Voices from the Arctic: Insights on Climate Change and Permafrost Degradation. Nordregio, September 2023. http://dx.doi.org/10.6027/wp2023:61403-2511.

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The Arctic region is warming almost four times as fast as the global average. Snow and ice are thawing at an increasing rate, and the rapid environmental shifts have a disproportionate effect on communities across the Northern Hemisphere. This leads to significant permafrost degradation, which disrupts community infrastructure, cultural heritage, landscapes, and impacts animal migration and subsistence activities. This change has severe consequences for the youth in the region, affecting their present lives and future outlooks. This working paper emphasizes the importance of addressing these issues and enhancing the voices of Arctic youth, who advocate for climate change adaptation and mitigation, as they will be central in shaping society in the face of these environmental shifts. The paper highlights Arctic youths' perspectives on climate change and permafrost degradation, covering individuals from the legal age to early-career experts up to 35. Further, the paper states a need for more research and exploration of youth engagement methodologies in the Arctic to address the impacts of climate change and permafrost degradation.
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Shani, Moshe, and C. P. Emerson. Genetic Manipulation of the Adipose Tissue via Transgenesis. United States Department of Agriculture, April 1995. http://dx.doi.org/10.32747/1995.7604929.bard.

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The long term goal of this study was to reduce caloric and fat content of beef and other red meats by means of genetic modification of the animal such that fat would not be accumulated. This was attempted by introducing into the germ line myogenic regulatory genes that would convert fat tissue to skeletal muscle. We first determined the consequences of ectopic expression of the myogenic regulatory gene MyoD1. It was found that deregulation of MyoD1 did not result in ectopic skeletal muscle formation but rather led to embryonic lethalities, probably due to its role in the control of the cell cycle. This indicated that MyoD1 should be placed under stringent control to allow survival. Embryonic lethalities were also observed when the regulatory elements of the adipose-specific gene adipsin directed the expression of MyoD1 or myogenin cDNAs, suggesting that these sequences are probably not strong enough to confer tissue specificity. To determine the specificity of the control elements of another fat specific gene (adipocyte protein 2-aP2), we fused them to the bacterial b-galactosidase reporter gene and established stable transgenic strains. The expression of the reporter gene in none of the strains was adipose specific. Each strain displayed a unique pattern of expression in various cell lineages. Most exciting results were obtained in a transgenic strain in which cells migrating from the ventro-lateral edge of the dermomyotome of developing somites to populate the limb buds with myoblasts were specifically stained for lacZ. Since the control sequences of the adipsin or aP2 genes did not confer fat specificity in transgenic mice we have taken both molecular and genetic approaches as an initial effort to identify genes important in the conversion of a multipotential cell such as C3H10T1/2 cell to adipoblast. Several novel adipocyte cell lines have been established that differ in the expression of transcription factors of the C/EBP family known to be markers for adipocyte differentiation. These studies revealed that one of the genetic programming changes which occur during 10T1/2 conversion from multipotential cell to a committed adipoblast is the ability to linduce C/EBPa gene expression. It is expected that further analysis of this gene would identify elements which regulate this lineage-specific expression. Such elements might be good candidates in future attempts to convert adipoblasts to skeletal muscle cells in vivo.
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Gage, Edward, Linda Zeigenfuss, Hanem Abouelezz, Allison Konkowski, David Cooper, and Therese Johnson. Vegetation response to Rocky Mountain National Park’s elk and vegetation management plan: Analysis of 2008–2018 data. National Park Service, June 2023. http://dx.doi.org/10.36967/2299264.

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Rocky Mountain National Park (RMNP) developed the Elk and Vegetation Management Plan (EVMP) to address well-documented declines in the ecological condition of aspen stands and riparian communities from high levels of elk herbivory. The EVMP aims to reduce the impacts of elk on vegetation and restore the natural range of variability in the elk population and affected plant communities, including preventing the loss of aspen clones within high elk-use areas, restoring montane riparian willow cover and height within suitable habitat, and reducing of levels of elk grazing on herbaceous vegetation. The EVMP described a range of management actions including reductions in the size of the elk herd and the installation of fencing to reduce herbivory levels and facilitate recovery in degraded communities. The EVMP established a monitoring protocol in focal communities to assess progress towards these vegetation goals and facilitate adaptive management. RMNP has collected data quantifying biomass offtake in upland herbaceous and riparian communities, willow height and cover, and aspen stand structure and regeneration periodically since implementation of the plan began in 2008. This report summarizes the results of analyses of EVMP data collected from 2008–2018, the last year comprehensive measurements were made. The EVMP was developed with a focus on the primary elk winter range in the upper montane zone on the east side of RMNP. The plan distinguishes core elk winter range, where elk concentrate during winter, and noncore winter range areas that typically have less elk use. Data were also collected in the Kawuneeche Valley in the headwaters of the Colorado River on the west side of the park, an area supporting extensive wet meadows and areas once dominated by willow. Data were also collected to investigate the effects of wildland fires that burned through the winter range in 2012 to determine the potential for using fire as a management tool to achieve EVMP goals. The overwintering elk population in the park has declined, from its peak of 1,500 animals in 2001, and over the course of EVMP implementation, from 614 animals in 2009 to 124 animals in 2019. Declines in the overwintering elk population may be best explained by increased cow elk harvest outside of the park, and, most notably, by a change in seasonal migration patterns and habitat use that have elk moving to lower elevation wintering areas following the fall rut. In sites in aspen communities, stand structure was changed little or declined across sampling periods in unfenced plots with continued patterns of little regeneration and recruitment and steady progression toward stands dominated by large-diameter trees. However, there was a progression towards taller sapling heights inside fenced plots and recruitment of small diameter tree-sized stems. Fencing had large and positive effects on aspen stand structure, with different patterns observed in fenced and unfenced core winter range and noncore winter range. Increased recruitment was observed across the winter range but occurred mainly inside fenced plots. Aspen stem counts varied between time periods and in relation to wildfire, with fenced and burned plots on the core winter range having higher stem counts by 2018 than unfenced and unburned plots. Willow height and cover increased over time in sampled sites, but positive trends were generally restricted to sites in fenced areas. Willow height also increased on noncore (all unfenced) winter range sites. Willow in unfenced core winter range sites had only minor increase in height from baseline (2008 for most sites) to 2018, but willow in fenced plots had greater height increases over the same time period. Noncore winter range willow sites had modest height increases over the 10-yr period. Mean willow cover increased nearly 5-fold compared to baseline conditions within the core winter range fenced areas and roughly 1.5-fold in noncore winter range. Willow cover was greater in unfenced than fenced plots at baseline, but the pattern was reversed in 2013 and 2018. The highest cover occurred in 2018 in fenced core winter range plots (mean = 70.8%) and unfenced noncore winter range plots (mean = 68.6%). Mean cover increased from 14.6% at baseline to 25.3% in 2013 and 70.8% in 2018 in fenced core winter range plots. Mean willow cover changed little in unfenced core winter range plots between baseline and 2018, although the range of cover values increased over time, and willow cover increases were modest in the noncore winter range. Fencing reduced or eliminated browsing from plots located inside fences, but offtake varied widely among unfenced plots. Patterns of willow browse intensity differed management subgroups (e.g., core and noncore winter range), and generally showed a downward trend between baseline and 2018 measurements. Herbaceous offtake in upland communities was measured in the first sample period (baseline–2013) to assess levels of grazing on herbaceous vegetation, however it was determined that the associated EVMP objectives had been achieved so measurements were discontinued after 2013. Continued monitoring of upland shrubs indicated no shift from herbaceous dominated to shrub dominated communities after 2013. Noncore upland plots had higher shrub cover than core winter range plots across all time periods, but most differences between year and core/noncore had low probability of effect. Cover for individual species varied over time and winter range plots. Moose presence has increased in winter range aspen and willow sites over the past decade, while beaver presence at our monitoring sites has decreased. Results indicate that RMNP is making progress toward the vegetation objectives set out in the EVMP, however positive trends were most pronounced in plots protected from ungulate herbivory through fencing. Aspen recruitment was greatest in fenced plots. Likewise, trajectories of willow height and cover were positive in fenced winter range plots. Results demonstrate that fencing is an effective means of improving condition in aspen and willow habitats. Changes outside the fences were slower and less pronounced than inside the fences, however, the positive (if small) increases in willow height and cover and aspen regeneration as well as decreases in upland herbaceous offtake, indicate that decreased wintering elk populations are also contributing to improvement of habitat conditions on the elk winter range. In the Kawuneeche Valley, which has not traditionally been heavily used by overwintering elk but does experience summer elk and moose use, poor and declining habitat condition were recorded in unfenced willow and aspen sites.
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Sources and migration pathways of natural gas in near-surface ground water beneath the Animas River valley, Colorado and New Mexico. US Geological Survey, 1994. http://dx.doi.org/10.3133/wri944006.

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