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Relevant bibliographies by topics / Bird population dynamics

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Academic literature on the topic 'Bird population dynamics'

Author: Grafiati

Published: 9 March 2023

Last updated: 31 July 2025

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Journal articles on the topic "Bird population dynamics"

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Bowler, Diana, Raja Lorena Richter, Daniel Eskildsen, et al. "Geographic variation in the population trends of common breeding birds across central Europe." Basic and Applied Ecology 56 (July 11, 2021): 72–84. https://doi.org/10.5281/zenodo.15344940.

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<strong>Abstract</strong> Recent declines of many European bird species have been linked with various environmental changes, especially land-use change and climate change. Since the intensity of these environmental changes varies among different countries, we can expect geographic variation in bird population trends. Here, we compared the population trends of bird species among neighbouring countries within central Europe (Czech Republic, Denmark, Germany, Switzerland) between 1990 and 2016 and examined trait-associations with population trends at both national and international scales. We fou

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Storch, David, Jaroslav Koleček, Petr Keil, Zdeněk Vermouzek, Petr Voříšek, and Jiří Reif. "Decomposing trends in bird populations: Climate, life histories and habitat affect different aspects of population change." Diversity and Distributions 29, no. 4 (2023): 572–85. https://doi.org/10.1111/ddi.13682.

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<strong>Aim:</strong> Despite the complexity of population dynamics, most studies concerning current changes in bird populations reduce the trajectory of population change to a linear trend. This may hide more complex patterns reflecting responses of bird populations to changing anthropogenic pressures. Here, we address this complexity by means of multivariate analysis and attribute different components of bird population dynamics to different potential drivers.<strong>Location</strong>: Czech Republic.<strong>Methods</strong>: We used data on population trajectories (1982–2019

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Abramova, I. V. "Bird population dynamics during the regenerative succession of mossy pine woodland in southwestern Belarus." Журнал общей биологии 84, no. 3 (2023): 215–28. http://dx.doi.org/10.31857/s004445962303003x.

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Disturbed forest ecosystems are characterized by significant spatial and temporal changes. As a part of the study on bird communities, changes in bird abundance during the secondary succession of a cleared mossy pine woodland in southwestern Belarus were investigated. The purpose of the work was to determine the inter-annual dynamics of bird species abundance and to assess the variability of individual species abundance during the secondary succession of the mossy pine woodland. The material was collected in 2000–2019. Line transects were set to conduct bird counts in ecosystems at different s

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Essa, Isra’a M. "Haemosporidian Parasites in Domestic and Wild Birds." Journal La Lifesci 6, no. 1 (2025): 1–16. https://doi.org/10.37899/journallalifesci.v6i1.1838.

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This study aims to provide brief information about the role of haemosporidian parasites in birds and significant implications for avian health, population dynamics, and control efforts. Haemosporidian parasites, belonging to the phylum Apicomplexa, are a diverse group of protozoan organisms that infect a wide range of vertebrate hosts, including birds. These parasites have a complex life cycle, with both sexual and asexual stages, and are transmitted by blood-feeding insects such as mosquitoes, midges, and blackflies. The potential impact of these parasites include a wide range of health issue

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Virkkala, Raimo, and Ari Rajasärkkä. "Climate change affects populations of northern birds in boreal protected areas." Biology Letters 7, no. 3 (2010): 395–98. http://dx.doi.org/10.1098/rsbl.2010.1052.

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Human land-use effects on species populations are minimized in protected areas and population changes can thus be more directly linked with changes in climate. In this study, bird population changes in 96 protected areas in Finland were compared using quantitative bird census data, between two time slices, 1981–1999 and 2000–2009, with the mean time span being 14 years. Bird species were categorized by distribution pattern and migratory strategy. Our results showed that northern bird species had declined by 21 per cent and southern species increased by 29 per cent in boreal protected areas dur

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Galloway, Terry D., and Robert J. Lamb. "Population Dynamics of Chewing Lice (Phthiraptera) Infesting Birds (Aves)." Annual Review of Entomology 66, no. 1 (2021): 209–24. http://dx.doi.org/10.1146/annurev-ento-041420-075608.

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In the past 25 years, studies on interactions between chewing lice and their bird hosts have increased notably. This body of work reveals that sampling of live avian hosts, collection of the lice, and the aggregated distributions of louse infestations pose challenges for assessing louse populations. The number of lice on a bird varies among host taxa, often with host size and social system. Host preening behavior limits louse abundance, depending on bill shape. The small communities of lice (typically one–four species) that live on individual birds show species-specific patterns of abundance,

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Galloway, Terry D., and Robert J. Lamb. "Population Dynamics of Chewing Lice (Phthiraptera) Infesting Birds (Aves)." Annual Review of Entomology 66, no. 1 (2021): 209–24. http://dx.doi.org/10.1146/annurev-ento-041420-075608.

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In the past 25 years, studies on interactions between chewing lice and their bird hosts have increased notably. This body of work reveals that sampling of live avian hosts, collection of the lice, and the aggregated distributions of louse infestations pose challenges for assessing louse populations. The number of lice on a bird varies among host taxa, often with host size and social system. Host preening behavior limits louse abundance, depending on bill shape. The small communities of lice (typically one–four species) that live on individual birds show species-specific patterns of abundance,

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Mel’nikov, Yuriy. "Birds of forest ecosystems of Southern Baikal in the conditions of modern climate warming: Dynamics of population density and structure in summer." E3S Web of Conferences 411 (2023): 02069. http://dx.doi.org/10.1051/e3sconf/202341102069.

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On the basis of long-term works (2010-2022), the materials of studying the influence of climate warming on the bird population of forest ecosystems in the summer period are presented. The main indicators of the bird population were studied: population density and species composition. The dynamics of these indicators of the bird population structure and the features of their structure depending on the level of climate change on the ascending branch of the heat-dry phase of the centuries-old climate cycle, close to completion, are considered. The intensity of bird eviction is associated with the

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Matsyura, О. V. "КОМПЛЕКСНА ОЦІНКА ДИНАМІКИ ЧИСЕЛЬНОСТІ УГРУПОВАНЬ КОЛОНІАЛЬНИХ НАВКОЛОВОДНИХ ПТАХІВ (НА ПРИКЛАДІ ДЕЯКИХ ОСТРОВІВ СИВАШУ)". Biological Bulletin of Bogdan Chmelnitskiy Melitopol State Pedagogical University 1, № 3 (2011): 85. http://dx.doi.org/10.15421/20111_38.

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<p>The problem of the mathematical analysis of the number dynamics of the nesting waterbirds for the islands of the south of Ukraine is examined. The algorithm of the evaluation of changes in the number of island birds is proposed. Data of the long-term monitoring of the number of birds were analyzed according to this algorithm. The necessity of the implementation of the statistical indices together with the graphic representation of island birds’ turnover is proved. The trends of population dynamics are determined for the key species. The discussed procedure of the complex evaluation is

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Ranade, Sachin, and Soumya Sundar Chakraborty. "Waterbird count at Narathali waterbody, Buxa Tiger Reserve in northern Bengal for a decade (2009–2019) with a note on raptors." Journal of Threatened Taxa 16, no. 2 (2024): 24752–59. http://dx.doi.org/10.11609/jott.8452.16.2.24752-24759.

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This study presents insights from a comprehensive analysis of bird counts conducted at Narathali waterbody in Buxa Tiger Reserve between 2009 and 2019. Thirteen bird species were monitored, including six wintering duck species and seven resident waterfowl species. The population trends of these birds remained relatively constant throughout the study period. Additionally, the study documented raptor counts and compiled a checklist of waterbirds observed at the waterbody. These findings enhance our understanding of bird population dynamics in this significant habitat and provide valuable informa

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Dissertations / Theses on the topic "Bird population dynamics"

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Schumaker, Nathan H. "Habitat connectivity and spotted owl population dynamics /." Thesis, Connect to this title online; UW restricted, 1995. http://hdl.handle.net/1773/5524.

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Barlow, Emily J. "Ecological and genetic perspectives on dispersal in European shags (Phalacrocorax aristotelis)." Thesis, University of Aberdeen, 2011. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=182248.

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Dispersal is a fundamental ecological and evolutionary process that can create demographic and genetic linkage between neighbouring and distant locations, influencing the dynamics, structure and ultimately the persistence of populations. To understand observed population dynamics and structure and to predict future change, accurate and comprehensive data are required describing the pattern and magnitude of dispersal and gene flow across all relevant spatial scales. However, this is a major empirical challenge. In this thesis, I aimed to obtain comprehensive empirical data quantifying natal dis

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Simmonds, Emily G. "Exploring the causes and consequences of phenological change in a wild bird population." Thesis, University of Oxford, 2017. http://ora.ox.ac.uk/objects/uuid:89fb7855-fdd8-4f92-915c-8dd9e51a0edd.

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Changes in climate shape biological populations. They can alter spatial distributions, the timing of life history events, and even the species themselves. We are now experiencing a period of rapid directional climate change, alongside seasonal fluctuations. This thesis investigates temporal changes in life history events, phenology, as a climate response. I explore the causes and population level consequences of change in breeding phenology of two wild bird populations from Wytham Woods, UK. I test how great tits (Parus major) and blue tits (Cyanistes caeruleus) achieve temporal synchrony betw

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Aguillon, Stepfanie Maria. "The influence of personality on dispersal and population dynamics in a passerine bird." Thesis, The University of Arizona, 2014. http://hdl.handle.net/10150/323420.

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Dispersal influences the genetic and social composition of populations, yet it has been difficult to understand the mechanisms underlying dispersal and this limits our ability to understand how dispersal may be influencing population dynamics. Behavioral traits, such as aggression, have been implicated as drivers of both dispersal and population dynamics. However, the influence on both has never been addressed in a single system. Western bluebirds (Sialia mexicana) provide an excellent opportunity to address this question, as their dispersal propensity is dependent upon aggressive phenotype an

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Catlin, Daniel Herbert. "Population Dynamics of Piping Plovers (Charadrius melodus) on the Missouri River." Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/27442.

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Habitat loss and predation are threatening many shorebird populations worldwide. While habitat preservation often is preferable, sometimes habitat needs to be restored or created in order to stave off immediate declines. The Great Plains population of piping plovers (Charadrius melodus) was listed as threatened in 1986, and habitat loss and predation appear to be limiting the growth of this population. On the Missouri River, piping plovers nest on sandbars, but the damming of the mainstem of the Missouri in the mid-twentieth century reduced the natural capacity of the Missouri River to crea

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Catlin, Daniel H. "Population Dynamics of Piping Plovers (Charadrius melodus) on the Missouri River." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/27442.

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Habitat loss and predation are threatening many shorebird populations worldwide. While habitat preservation often is preferable, sometimes habitat needs to be restored or created in order to stave off immediate declines. The Great Plains population of piping plovers (Charadrius melodus) was listed as threatened in 1986, and habitat loss and predation appear to be limiting the growth of this population. On the Missouri River, piping plovers nest on sandbars, but the damming of the mainstem of the Missouri in the mid-twentieth century reduced the natural capacity of the Missouri River to crea

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Shephard, Jill, and n/a. "A Multi-Scale Approach to Defining Historical and Contemporary Factors Responsible for the Current Distribution of the White-bellied Sea-Eagle Haliaeetus leucogaster (Gmelin, 1788) in Australia." Griffith University. Australian School of Environmental Studies, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20041012.142221.

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The White-bellied Sea-Eagle Haliaeetus leucogaster is widespread in Australia, but has been the subject of conservation concern due to suggested localised declines and extinctions. Regionalised monitoring programmes have addressed some aspects of local concern, however a broader approach is needed to gain an understanding of large-scale processes affecting long-term persistence at scales equivalent to the species Australian range. Ultimately, the ability to predict change in population size over time accurately depends on the scale of analysis. By necessity, ecological studies using direct sa

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Shephard, Jill. "A Multi-Scale Approach to Defining Historical and Contemporary Factors Responsible for the Current Distribution of the White-bellied Sea-Eagle Haliaeetus leucogaster (Gmelin, 1788) in Australia." Thesis, Griffith University, 2004. http://hdl.handle.net/10072/367440.

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The White-bellied Sea-Eagle Haliaeetus leucogaster is widespread in Australia, but has been the subject of conservation concern due to suggested localised declines and extinctions. Regionalised monitoring programmes have addressed some aspects of local concern, however a broader approach is needed to gain an understanding of large-scale processes affecting long-term persistence at scales equivalent to the species Australian range. Ultimately, the ability to predict change in population size over time accurately depends on the scale of analysis. By necessity, ecological studies using direct sa

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SICURELLA, BEATRICE CARLOTTA. "Analysis of the consequences of climate change and habitat modification on migratory birds." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2015. http://hdl.handle.net/10281/69740.

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Habitat alteration and climate change are among the anthropogenic factors that contribute most to the current global decline of biodiversity. Due to their sensitivity to environmental conditions, birds are considered excellent indicators of global change. In particular, long-distance migrants are likely more sensitive to global change than residents or short-distance migrants because they suffer from changes in ecological conditions both at their breeding and wintering quarters The aim of this thesis is to investigate the effects of climate change and habitat modification on population dynamic

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Doxa, Aggeliki. "Complex population dynamics in a changing environment : the impact of density dependence and environmental factors on the vital rates and dynamics of two long-lived bird species." Paris, Muséum national d'histoire naturelle, 2009. http://www.theses.fr/2009MNHN0001.

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Un des principaux enjeux actuels en dynamique des populations est de fournir des outils adaptés pour prédire efficacement l’impact des changements globaux sur les espèces. Les interactions entre les populations et leur environnement peuvent être complexes, et leurs effets sur la variation des paramètres démographiques peuvent être décalés dans le temps. Les modèles de projection du risque d’extinction des populations ou de leur capacité à s’adapter à des modifications rapides des conditions environnementales nécessitent donc d’incorporer ce type de complexité dans leur structure pour qu’ils so

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Books on the topic "Bird population dynamics"

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Telfair, Raymond Clark. Cattle egret (Bubulcus ibis) population trends and dynamics in Texas, 1954-1990. Nongame and Urban Program, Fisheries and Wildlife Division, Texas Parks and Wildlife Dept., 1993.

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B, Franklin Alan, and American Ornithologists' Union, eds. Population dynamics of the California spotted owl (Strix occidentalis occidentalis): A meta-analysis. American Ornithologists' Union, 2004.

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Harmata, Alan R. Population dynamics of key raptors nesting in the Kevin Rim area: Challenge cost share progress report 1996 to Bureau of Land Management, Great Falls District. [Montana State University, Department of Biology, Fish & Wildlife Program], 1997.

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Harmata, Alan R. Population dynamics of key raptor species in the Kevin Rim Raptor Study Area, 2001: Challenge cost share progress report to: Bureau of Land Management, Great Falls District. [Montana State University, Department of Ecology, Fish & Wildlife Program], 2001.

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Harmata, Alan R. Population dynamics of key raptor species in the Kevin Rim Area: Challenge cost share progress report 1997 and 1998 to Bureau of Land Management, Great Falls District. [Montana State University, Department of Biology, Fish & Wildlife Program], 1998.

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Harmata, Alan R. Population dynamics of key raptor species in the Kevin Rim Raptor Study Area, 2000: Challenge cost share progress report to: Bureau of Land Management, Great Falls District. [Montana State University, Department of Biology, Fish & Wildlife Program], 2000.

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Rosenberg, Daniel H. Harlequin duck population dynamics: Measuring recovery from the Exxon Valdez Oil Spill. EVOS Trustee Council, 2005.

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Rosenberg, Daniel H. Harlequin duck population dynamics: Measuring recovery from the Exxon Valdez Oil Spill. EVOS Trustee Council, 2005.

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Harmata, Alan R. Population dynamics of key raptor species in the Kevin Rim Raptor Study Area, 1999: Challenge cost share progress report to: Bureau of Land Management, Great Falls District. [Montana State University, Department of Biology, Fish & Wildlife Program], 1999.

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Johansson, Olof C. Habitat selection, reproductive success and population dynamics in Lapwings (Vanellus vanellus) and Dunlins (Calidris alpina). Göteborg University, 1998.

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Book chapters on the topic "Bird population dynamics"

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Bourski, O. V. "Bird Population Dynamics in Relation to Habitat Quality." In The GeoJournal Library. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0343-2_6.

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Francis, Charles M., and David R. Wells. "The Bird Community at Pasoh: Composition and Population Dynamics." In Pasoh. Springer Japan, 2003. http://dx.doi.org/10.1007/978-4-431-67008-7_27.

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Dhondt, André A., Erik Matthysen, Frank Adriaensen, and Marcel M. Lambrechts. "Population Dynamics and Regulation of a High Density Blue Tit Population." In Population Biology of Passerine Birds. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75110-3_3.

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Burger, Joanna, and Michael Gochfeld. "Overview of Ecotoxicology for Birds." In Habitat, Population Dynamics, and Metal Levels in Colonial Waterbirds. CRC Press, 2016. http://dx.doi.org/10.1201/9780429159435-11.

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Burger, Joanna, and Michael Gochfeld. "Effects of Metals in Birds." In Habitat, Population Dynamics, and Metal Levels in Colonial Waterbirds. CRC Press, 2016. http://dx.doi.org/10.1201/9780429159435-12.

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McCallum, D. Archibald. "Variable Cone Crops, Migration, and Dynamics of a Population of Mountain Chickadees (Parus Gambeli)." In Population Biology of Passerine Birds. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75110-3_8.

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Speziale, Karina L. "Continental analysis of invasive birds: South America." In Invasive birds: global trends and impacts. CABI, 2020. http://dx.doi.org/10.1079/9781789242065.0296.

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Burnett, Jessica L., and Craig R. Allen. "Continental analysis of invasive birds: North America." In Invasive birds: global trends and impacts. CABI, 2020. http://dx.doi.org/10.1079/9781789242065.0279.

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Burger, Joanna, and Michael Gochfeld. "Heavy Metals in Fish, Lower Trophic Levels, and Passerine Birds." In Habitat, Population Dynamics, and Metal Levels in Colonial Waterbirds. CRC Press, 2016. http://dx.doi.org/10.1201/9780429159435-13.

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Shochat, Eyal, Susannah Lerman, and Esteban Fernández-Juricic. "Birds in Urban Ecosystems: Population Dynamics, Community Structure, Biodiversity, and Conservation." In Agronomy Monographs. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 2015. http://dx.doi.org/10.2134/agronmonogr55.c4.

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Conference papers on the topic "Bird population dynamics"

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Das, Nishith Kumar, and Tetsuo Shoji. "A Computational Chemistry Study of the Oxidation Mechanism at the Random Grain Boundary of an Fe-Cr Binary Alloy." In CORROSION 2010. NACE International, 2010. https://doi.org/10.5006/c2010-10286.

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Abstract Tight-binding quantum chemical molecular dynamics (QCMD) were applied in order to study the random grain boundary oxidation mechanism of an Fe-Cr binary alloy in a boiling water reactor (BWR) environment. The metal-water interaction at high temperatures causes diffusion of environmental species and segregation of metallic atoms. Water molecules favorably permeate through the grain boundaries in order to find the space generated by atomic rearrangement, although it is difficult to diffuse in the perfect lattice. The dissociated oxygen and OH concentrations increase around the chromium

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Pruteanu, Augustina, Nicoleta Vanghele, Dan Cujbescu, Mihaela Nitu, and Iuliana Gageanu. "Review of effectiveness of visual and auditory bird scaring techniques in agriculture." In 22nd International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering, 2023. http://dx.doi.org/10.22616/erdev.2023.22.tf056.

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Pests cause huge damage that leads to high losses in crops and implicitly to lower yields in the agricultural sector. Of these, birds are also harmful in terms of crop damage, especially for high value crops (vineyards, trees, cereals, vegetables). In the pre-harvest period, birds (starlings, blackbirds, pigeons, sparrows, sowing crows) can be able to destroy about 60-70% of the crop in a very short time. Complete crop loss is possible if no deterring mechanisms are used. Farmers want to find an easy and cost-effective way to keep birds away from their crops because uncontrolled birds can comp

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Belan, A., and E. Turchaninova. "ORNITHOLOGY UNDER THE INFLUENCE OF A CHANGING CLIMATE." In INTERNATIONAL EARTH DAY - 2025. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2025. https://doi.org/10.58168/earthday2025_12-17.

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With climate change, ecosystems experience additional pressure from increasing anthropogenic load. The usual natural habitats of flora and fauna species change, which entails a change in the population size and main phases of the life cycle. Seasonal changes in the most important periodic phenomena in the annual life cycle of birds are very sensitive to climatic fluctuations, many of which have developed stable adaptive reactions to such changes in the process of evolution. In recent decades, climatic indicators have begun to change rapidly and, therefore, it is extremely important to conduct

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Trofymchuk, Oleksandr, Natalia Sheviakina, and Olha Tomchenko. "DESTRUCTION OF THE KAKHOVKA RESERVOIR AS A RESULT OF HOSTILITIES: DYNAMICS OF CHANGE AND CONSEQUENCES FOR THE ENVIRONMENT." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023v/3.2/s12.11.

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The results of the study of the dynamics of changes in the territory of the Kakhovka reservoir before and after the explosion of the dam on June 6, 2023 are presented. This led to the destruction of the Kakhovka reservoir and the sharp flooding of significant areas downstream of the Dnieper River, including the delta. The analysis was carried out on two indicators: the water surface area and the water level. As a result of the analysis of space images, it was found that the area of the Kakhovka reservoir decreased by 80% from its original. The results of the analysis of the flooded area downst

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Grimm, Brian A., Brooke A. Lahneman, Peter B. Cathcart, Robert C. Elgin, Greg L. Meshnik, and John P. Parmigiani. "Autonomous Unmanned Aerial Vehicle System for Controlling Pest Bird Population in Vineyards." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89528.

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Pest birds have long been a significant source of crop loss for grape growers, especially during the critical weeks leading up to harvest when grape sugar levels are high. In Oregon’s Willamette Valley, vineyards have seen a marked increase in crop loss in the last few years despite widespread use of intrusive gas cannons/shotguns and expensive netting systems. In order to deter this pest bird population, we have created an Unmanned Aerial Vehicle (UAV) package capable of autonomous flight, which incorporates common pest bird scare tactics into this dynamic platform. The system has been design

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K. Mohammed ALI, Ali, and Fouad K. Mashee AL RAMAHI. "SATELLITE IMAGERY MONITORS SEASONAL VARIATIONS IN THE ECOLOGY OF AL-HAMMAR MARSH, SOUTHERN IRAQ." In VI.International Scientific Congress of Pure,Applied and Technological Sciences. Rimar Academy, 2022. http://dx.doi.org/10.47832/minarcongress6-21.

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The Al-Hammar wetland in Iraq is notable for having the highest densities of coastal migratory birds along the Arabian Gulf-Mediterranean Sea migration line. Despite the importance of these birds, there is no complete evaluation of their dynamics. The six migrating bird species (Mallard duck, Graylag geese, White pelican, Barn swallow, Common gull, White stork) were studied in the area, and the data were compiled and analyzed. Migration patterns have changed over the last two decades, as shown by changes in land cover between October 2000 and 2020 and in bird populations every ten years during

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Reports on the topic "Bird population dynamics"

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Wideman, Jr., Robert F., Nicholas B. Anthony, Avigdor Cahaner, Alan Shlosberg, Michel Bellaiche, and William B. Roush. Integrated Approach to Evaluating Inherited Predictors of Resistance to Pulmonary Hypertension Syndrome (Ascites) in Fast Growing Broiler Chickens. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7575287.bard.

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Background PHS (pulmonary hypertension syndrome, ascites syndrome) is a serious cause of loss in the broiler industry, and is a prime example of an undesirable side effect of successful genetic development that may be deleteriously manifested by factors in the environment of growing broilers. Basically, continuous and pinpointed selection for rapid growth in broilers has led to higher oxygen demand and consequently to more frequent manifestation of an inherent potential cardiopulmonary incapability to sufficiently oxygenate the arterial blood. The multifaceted causes and modifiers of PHS make

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Shriver, Gregory, Elizabeth Tymkiw, Hannah Redmond, Samuel Roberts, Zachary Ladin, and Deana Dawson. Landbird monitoring protocol for the National Capital Region Network: Revision 2.0, 2023. National Park Service, 2025. https://doi.org/10.36967/2312879.

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The National Park Service (NPS) Inventory and Monitoring (I&M) Program conducts long-term ecological monitoring of high-priority indicator resources, deemed “vital signs.” This protocol documents the justification and procedure for monitoring breeding landbirds, a vital sign, in one of the 32 ecoregional I&M networks, the National Capital Region Network (NCRN). “Landbird” refers to the many avian species that spend the majority of their lives in a terrestrial environment, including tree-dwelling birds, perching birds or songbirds, raptors, and ground-feeding birds. Landbird monitoring

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Jones, David, Roy Cook, John Sovell, et al. Natural resource condition assessment: Lincoln Boyhood National Memorial. National Park Service, 2024. http://dx.doi.org/10.36967/2301822.

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Abstract:

The National Park Service (NPS) Natural Resource Condition Assessment (NRCA) Program administered by the NPS Water Resources Division evaluates current conditions for important natural resources and resource indicators using primarily existing information and data. NRCAs also report on trends in resource condition, when possible, identify critical data gaps, and characterize a general level of confidence for study findings. This NRCA complements previous scientific endeavors, is multi-disciplinary in scope, employs a hierarchical indicator framework, identifies and develops reference condition

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