Relevant bibliographies by topics / Trophic dynamic shift

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  2. Dissertations / Theses
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Academic literature on the topic 'Trophic dynamic shift'

Author: Grafiati
Published: 3 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Trophic dynamic shift"

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Cheung, William W. L., Jessica J. Meeuwig, Ming Feng, et al. "Climate-change induced tropicalisation of marine communities in Western Australia." Marine and Freshwater Research 63, no. 5 (2012): 415. http://dx.doi.org/10.1071/mf11205.

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A major observed and predicted impact of climate change on marine species is the poleward shift in their distributions and the resulting changes in community structure. Here, we used a Dynamic Bioclimate Envelope Model to project range shift of exploited marine fishes and invertebrates in Western Australia. We combined published data and expert knowledge to predict current species distributions for 30 tropical, sub-tropical and temperate species that occur along the coast of Western Australia. Using outputs from both a Regional Oceanographic Model and a Global Circulation Model, we simulated c
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Durante, Leonardo, Travis Ingram, Russell Frew, and Steve Wing. "A New Method to Access Isotopic Signatures on Preserved Fish Specimens." Biodiversity Information Science and Standards 2 (July 4, 2018): e26597. https://doi.org/10.3897/biss.2.26597.

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Isotopic ecology has been widely used to understand spatial connectivity and trophic interactions in marine systems, but comparisons over long time periods are rare. Preserved specimens from museum collections are a potentially valuable source of tissue for isotope analyses, but isotopic signatures are known to be affected by fixatives. Isotopic variation due to fixatives have being studied since the 1980s, with early work addressing zooplankton and increasing interest on fish tissues from the late 1990s. Although there is a general trend of decaying carbon (<em>δ</em><sup>13</sup>C) values an
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Lindley, J. A., G. Beaugrand, C. Luczak, J. M. Dewarumez, and R. R. Kirby. "Warm-water decapods and the trophic amplification of climate in the North Sea." Biology Letters 6, no. 6 (2010): 773–76. http://dx.doi.org/10.1098/rsbl.2010.0394.

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A long-term time series of plankton and benthic records in the North Sea indicates an increase in decapods and a decline in their prey species that include bivalves and flatfish recruits. Here, we show that in the southern North Sea the proportion of decapods to bivalves doubled following a temperature-driven, abrupt ecosystem shift during the 1980s. Analysis of decapod larvae in the plankton reveals a greater presence and spatial extent of warm-water species where the increase in decapods is greatest. These changes paralleled the arrival of new species such as the warm-water swimming crab Pol
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Akoglu, Ekin. "Ecological indicators reveal historical regime shifts in the Black Sea ecosystem." PeerJ 11 (July 11, 2023): e15649. http://dx.doi.org/10.7717/peerj.15649.

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Background The Black Sea is one of the most anthropogenically disturbed marine ecosystems in the world because of introduced species, fisheries overexploitation, nutrient enrichment via pollution through river discharge, and the impacts of climate change. It has undergone significant ecosystem transformations since the 1960s. The infamous anchovy and alien warty comb jelly Mnemiopsis leidyi shift that occurred in 1989 is the most well-known example of the drastic extent of anthropogenic disturbance in the Black Sea. Although a vast body of literature exists on the Black Sea ecosystem, a holist
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Beaugrand, Grégory, and Philip C. Reid. "Relationships between North Atlantic salmon, plankton, and hydroclimatic change in the Northeast Atlantic." ICES Journal of Marine Science 69, no. 9 (2012): 1549–62. http://dx.doi.org/10.1093/icesjms/fss153.

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Abstract Beaugrand, G. and Reid, P. C. 2012. Relationships between North Atlantic salmon, plankton, and hydroclimatic change in the Northeast Atlantic – ICES Journal of Marine Science, 69: 1549–1562. The abundance of wild salmon (Salmo salar) in the North Atlantic has declined markedly since the late 1980s as a result of increased marine mortality that coincided with a marked rise in sea temperature in oceanic foraging areas. There is substantial evidence to show that temperature governs the growth, survival, and maturation of salmon during their marine migrations through either direct or indi
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Neverova, G. P., and O. L. Zhdanova. "Comparative Dynamics Analysis of Simple Mathematical Models of the Plankton Communities Considering Various Types of Response Function." Mathematical Biology and Bioinformatics 17, no. 2 (2022): 465–80. http://dx.doi.org/10.17537/2022.17.465.

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The paper proposes a two-component discrete-time model of the plankton community, taking into account features of the development and interaction of phytoplankton and zooplankton. To describe the interaction between these species and to compare the system dynamics, we use the following set of response functions: type II and III Holling function and the Arditi–Ginzburg response function, each of which describes trophic interactions between phytoplankton and zooplankton. An analytical and numerical study of the model proposed is made. The analysis shows that the variation of trophic functions do
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Becker, Nina I., Christoph Rothenwöhrer, and Marco Tschapka. "Dynamic feeding habits: efficiency of frugivory in a nectarivorous bat." Canadian Journal of Zoology 88, no. 8 (2010): 764–73. http://dx.doi.org/10.1139/z10-042.

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Fluctuations in food availability may result in drastic changes of main dietary habits in some animals despite the lack of adaptations to alternative food types. We compared feeding efficiency between the nectarivorous bat Glossophaga commissarisi Gardner, 1962 (Phyllostomidae) that switches during nectar shortages to frugivory and the specialized frugivore Carollia brevicauda (Schinz, 1821) in a combination of behavioural experiments and HPLC (high performance liquid chromatography) analysis of fruit and faecal samples. We assessed feeding duration and employment of different bite types while
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Becker, Nina I., Christoph Rothenwöhrer, and Marco Tschapka. "Dynamic feeding habits: efficiency of frugivory in a nectarivorous bat." Canadian Journal of Zoology 88, no. 8 (2010): 764–73. https://doi.org/10.5281/zenodo.13408043.

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(Uploaded by Plazi for the Bat Literature Project) Fluctuations in food availability may result in drastic changes of main dietary habits in some animals despite the lack of adaptations to alternative food types. We compared feeding efficiency between the nectarivorous bat Glossophaga commissarisi Gardner, 1962 (Phyllostomidae) that switches during nectar shortages to frugivory and the specialized frugivore Carollia brevicauda (Schinz, 1821) in a combination of behavioural experiments and HPLC (high performance liquid chromatography) analysis of fruit and faecal samples. We assessed feeding du
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Martell, Steven J. D., Timothy E. Essington, Bob Lessard, James F. Kitchell, Carl J. Walters, and Christofer H. Boggs. "Interactions of productivity, predation risk, and fishing effort in the efficacy of marine protected areas for the central Pacific." Canadian Journal of Fisheries and Aquatic Sciences 62, no. 6 (2005): 1320–36. http://dx.doi.org/10.1139/f05-114.

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Ecospace biomass-dynamics models for the central North Pacific predict strong space-time variation in abundances of various trophic groups in relation to nutrient-driven patterns in primary production and circulation-driven concentration of production in convergence areas. The model predicts simple patterns in ecosystem organization and abundances along productivity gradients. Predicted patterns are robust to alternative assumptions about how mobile organisms may alter dispersal behavior in relation to local fitness (per capita gain from net food intake minus predation mortality). Large marine
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Cohen, Gadi, Parwathy Chandran, Rebecca M. Lorsung, et al. "The Impact of Focused Ultrasound in Two Tumor Models: Temporal Alterations in the Natural History on Tumor Microenvironment and Immune Cell Response." Cancers 12, no. 2 (2020): 350. http://dx.doi.org/10.3390/cancers12020350.

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Image-guided focused ultrasound (FUS) has been successfully employed as an ablative treatment for solid malignancies by exposing immune cells to tumor debris/antigens, consequently inducing an immune response within the tumor microenvironment (TME). To date, immunomodulation effects of non-ablative pulsed-FUS (pFUS) on the TME are poorly understood. In this study, the temporal differences of cytokines, chemokines, and trophic factors (CCTFs) and immune cell populations induced by pFUS were interrogated in murine B16 melanoma or 4T1 breast cancer cells subcutaneously inoculated into C57BL/6 or
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Dissertations / Theses on the topic "Trophic dynamic shift"

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Niiranen, Susa. "Multiple forces drive the Baltic Sea food web dynamics and its response to environmental change." Doctoral thesis, Stockholms universitet, Institutionen för ekologi, miljö och botanik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-92541.

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Understanding the interaction of multiple drivers and their compounded effects on ecosystem dynamics is a key challenge for marine resource management. The Baltic Sea is one of the world’s seas most strongly impacted by effects from both human activities and climate. In the late 1980’s changes in climate in combination with intensive fishing initiated a reorganization of the Central Baltic Sea (CBS) food web resulting in the current sprat-dominated state. In the future, climate change is projected to cause drastic changes in hydrodynamic conditions of the world oceans in general, and the Balti
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Books on the topic "Trophic dynamic shift"

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Preikshot, David. Fishing for answers: Analysis of ecosystem dynamics, tropic shifts, and salmonid population changes in Puget Sound, WA, 1970-1999 : a report, prepared for the Northwest Indian Fisheries Commission, on an investigation of changes in the south Puget Sound ecosystem, from 1970 to 1999, using a dynamic mass balance model (Ecopath with Ecosim), with special reference to chinook salmon (Oncorhynchus tshawytsha) and coho salmon (O. kisutch). Fisheries Centre, University of British Columbia, 2001.

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Sheppard, Charles R. C., Simon K. Davy, Graham M. Pilling, and Nicholas A. J. Graham. Consequences to reefs of changing environmental stress. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198787341.003.0009.

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A stable state in a healthy reef is a dynamic equilibrium which is maintained by interactions between different trophic groups and by a balance between growth and erosion, which is caused by weather and eroding species. If the stable, coral-dominated state is perturbed beyond a critical point, the system undergoes a phase shift and switches to an alternative state, perhaps one dominated by macroalgae; this alternative state itself is then relatively stable. A hysteresis effect means that removal of the stresses that caused the switch in the first place may not be sufficient to reverse the cond
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Book chapters on the topic "Trophic dynamic shift"

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van Donk, Ellen, Ramesh D. Gulati, Arjen Iedema, and John T. Meulemans. "Macrophyte-related shifts in the nitrogen and phosphorus contents of the different trophic levels in a biomanipulated shallow lake." In Nutrient Dynamics and Retention in Land/Water Ecotones of Lowland, Temperate Lakes and Rivers. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1602-2_3.

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Ruesink, Jennifer L., and Karen E. Hodges. "Trophic Mass Flow Models of the Kluane Boreal Forest Ecosystem." In Ecosystem Dynamics Of The Boreal Forest. Oxford University PressNew York, NY, 2001. http://dx.doi.org/10.1093/oso/9780195133936.003.0019.

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Abstract The Kluane ecosystem project has generated detailed demographic portraits for many species that inhabit the boreal forest. The experimental manipulations have allowed us to test the impacts of food and predation on the population densities and demography of a number of herbivorous species, as well as to compare the strength of bottom-up versus top-down interactions among trophic levels (chapter 17). At Kluane we documented cycles occurring not only in species’ abundances, but also in survival, reproduction, and diet composition. A striking general result from the Kluane studies is the
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"Challenges for Diadromous Fishes in a Dynamic Global Environment." In Challenges for Diadromous Fishes in a Dynamic Global Environment, edited by R. Niloshini Sinatamby, J. Brian Dempson, Gerald Chaput, et al. American Fisheries Society, 2009. http://dx.doi.org/10.47886/9781934874080.ch28.

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&lt;em&gt;Abstract&lt;/em&gt;.-In many areas of the North Atlantic, populations of Atlantic salmon &lt;em&gt;Salmo salar &lt;/em&gt;are now either in a state of decline or extirpated such that concern over the continued survival of the species has been given more attention in recent years despite large reductions in directed ocean fisheries. Previous investigations have established linkages between ocean climate conditions and variability in abundance or survival. However, one avenue not previously explored considers whether changes in marine food webs owing to ever increasing and unsustainabl
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Asif, Mohammad, and P. Fazul Rahaman. "Beneath the Surface: Comparative Diversity, Abundance, and Bio-Indicative Capabilities of Nematode Community Structure in Natural and Disturbed Habitats." In Nematodes - Ecology, Adaptation and Parasitism. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1003686.

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This present study underscores the significance of soil nematodes as indicators of ecological health, particularly in areas affected by human activities like mining. Soil nematodes, classified into five trophic groups, play vital roles in nutrient cycling and provide insights into soil food web dynamics. Various nematode community indices, including the maturity index (MI) and trophic diversity index (TDI), are crucial for assessing soil food web diversity. Nematodes exhibit adaptability across diverse soil environments, from pristine to highly disturbed habitats, making them responsive indica
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Das, Shantanabha, Puja Mishra, and Atri Das. "Life in the Balance: Zooplankton’s Battle in a Changing Environment." In Life as Basic Science: An Overview and Prospects for the Future [Volume: 1]. International Academic Publishing House (IAPH), 2024. http://dx.doi.org/10.52756/lbsopf.2024.e01.002.

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Zooplankton are often overlooked but are vital components of marine and freshwater ecosystems. Zooplankton are pivotal in nutrient cycling and ecosystem dynamics as they transfer energy between primary producers and higher trophic levels. However, unprecedented growth in human population and industrialization have exposed aquatic environments to various pollutants, threatening zooplankton communities worldwide. Nutrient over-enrichment, primarily from sewage discharge and agricultural runoff, has caused eutrophication in water bodies. It is altering species composition and favouring the prolif
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Mihuc, Timothy B. "Food Web Dynamics in Yellowstone Streams: Shifts in the Trophic Basis of a Stream Food Web After Wildfire Disturbance." In After the Fires. Yale University Press, 2004. http://dx.doi.org/10.12987/yale/9780300100488.003.0009.

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Meglin, Joellen A. "“Gone Modern”." In Ruth Page. Oxford University Press, 2022. http://dx.doi.org/10.1093/oso/9780190205164.003.0003.

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This chapter explores Page’s collaborations with international visual artists who designed costumes and props for the choreographer in ways that ushered her toward modernism in a variety of modes: Constructivism, neo-primitivism, abstraction, the fourth dimension, and Bauhausian functionalism. The solos of the late 1920s and early 1930s are read in close detail: Ballet Scaffolding (1928), Tropic (1932), Possessed (1932), and Phoenix (1933), designed by Remisoff; Expanding Universe (1932), designed by Isamu Noguchi; and Variations on Euclid (1933), designed by Pavel Tchelitchew. In these works,
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Mihuc, Timothy B. "9. Food Web Dynamics in Yellowstone Streams: Shifts in the Trophic Basis of a Stream Food Web After Wildfire Disturbance." In After the Fires. Yale University Press, 2017. http://dx.doi.org/10.12987/9780300127751-010.

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González-Tokman, Daniel, Ornela De Gasperin, and Wesley Dáttilo. "Improving our understanding of insect responses to climate change." In Effects of Climate Change on Insects. Oxford University PressOxford, 2024. http://dx.doi.org/10.1093/oso/9780192864161.003.0017.

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Abstract Despite the central importance of insects to ecosystem multifunctionality, this book reveals that our current knowledge about how insects respond to climate change is limited by several key aspects: (i) the lack of long-term data monitoring population dynamics, including declines, shifts, expansions and extinctions; (ii) the low evidence available regarding the effects of climate change in some geographical regions, mainly the tropics, despite their high biodiversity; (iii) a taxonomic bias where a few insect orders have been studied in detail whereas others remain mostly unstudied; (
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"Conservation, Ecology, and Management of Catfish: The Second International Symposium." In Conservation, Ecology, and Management of Catfish: The Second International Symposium, edited by ROBERT S. GREENLEE and CATHERINE N. LIM. American Fisheries Society, 2011. http://dx.doi.org/10.47886/9781934874257.ch30.

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&lt;em&gt;Abstract&lt;/em&gt;.—Introduced blue catfish &lt;em&gt;Ictalurus furcatus&lt;/em&gt; populations in tidal rivers of the Atlantic slope support important recreational and commercial fisheries, with the James River trophy fishery being nationally recognized. During the period 2001–2008, low-frequency (15 pulses/s) pulsed DC electrofishing was used to sample blue catfish in tidal fresh-oligohaline sections of the James, Mattaponi, Pamunkey, and Rappahannock River systems; 54,174 blue catfish were collected, and 4,660 of these were aged using otoliths. Mean catch per unit effort (CPUE) w
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Reports on the topic "Trophic dynamic shift"

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Axenrot, Thomas, and Erik Degerman. Ontogenetic variation in lacustrine European smelt (Osmerus eperlanus) populations as a response to ecosystem characteristics : an indicator of population sensitivity to environmental and climate stressors. Department of Aquatic Resources, Swedish University of Agricultural Sciences, 2024. http://dx.doi.org/10.54612/a.5qdiolcgj2.

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Smelts play a key role in the pelagic ecosystem of large lakes in northern Europe and North America. In numbers, they often dominate the open water. In large lakes in Scandinavia (including Finland), European smelt (Osmerus eperlanus L.), a cold-water glacial relict, is commonly the most important prey for piscivorous fish species, but also acts by ontogenetic shifts as a predator on zoo-plankton, small crustaceans, fish larvae, mysids and occasionally – with increasing size - fish. Furthermore, the large numbers of smelt in the open water are important competitors to other planktivorous fish.
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