Mostrando 261 - 280 Resultados de 324 Para Buscar '"apex predator"', tiempo de consulta: 0.25s Limitar resultados
  1. 261
    “…Additionally, the importance of recession rate and microtopography showed that local scale abiotic factors transformed fish production into the high quality foraging patches on which apex predators depended.…”
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    Mechanisms That Generate Resource Pulses in a Fluctuating Wetland
  2. 262
    “…With the extirpation of apex predators from many North American systems, coyotes Canis latrans have become the de facto top predator and are ubiquitous members of most ecosystems. …”
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    Do coyotes Canis latrans influence occupancy of prey in suburban forest fragments?
  3. 263
    “…Our results show high levels of defaunation (>0.5) for most of the Atlantic Forest. Apex predators, other carnivores, large-bodied mammals and large herbivores were among the most defaunated functional groups. …”
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    Wish you were here: How defaunated is the Atlantic Forest biome of its medium- to large-bodied mammal fauna?
  4. 264
    “…Habitat segregation between two species might help reduce the effects of interspecific competition and apex predators are of special interest in this context, because their interactions can have consequences for lower trophic levels. …”
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    Habitat segregation between brown bears and gray wolves in a human‐dominated landscape
  5. 265
    “…Since dolphins are apex predators and consume prey containing high amounts of BMAA, we examined necropsy specimens to determine if dietary and environmental exposures may result in the accumulation of BMAA in the brains of dolphins. …”
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    Cyanobacterial neurotoxin BMAA and brain pathology in stranded dolphins
  6. 266
    “…The Atlantic Forest of South America has lost most of its apex predators, and Harpy Eagles Harpia harpyja—Earth’s largest eagle—are now limited to few forest pockets in this domain. …”
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    Species distribution modeling reveals strongholds and potential reintroduction areas for the world’s largest eagle
  7. 267
    “…Erythrosuchidae are a globally distributed and important group of apex predators that occupied Early and Middle Triassic terrestrial ecosystems following the Permo-Triassic mass extinction. …”
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    Cranial anatomy and taxonomy of the erythrosuchid archosauriform ‘Vjushkovia triplicostata’ Huene, 1960, from the Early Triassic of European Russia
  8. 268
    “…The apparent trend among apex predators for some evolving into feeding on small zooplankton is of interest for understanding the associated shifts in anatomy and behaviour, while the spatial and temporal distribution gives clues to an inherent relationship with ocean primary productivity and how past and future perturbations to these may impact on the different tiers of the food web. …”
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    Was the Devonian placoderm Titanichthys a suspension feeder?
  9. 269
    “…We hypothesize distributions of apex predators can create large‐scale variation in the distribution and abundance of mesopredators that consume small mammals, creating predictable areas of high and low granivory. …”
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    Large‐scale patterns of seed removal by small mammals differ between areas of low‐ versus high‐wolf occupancy
  10. 270
    “…The ocean's mesopelagic zone (200–1000 m) remains one of the most understudied parts of the ocean despite knowledge that mesopelagic fishes are highly abundant. Apex predators from the surface waters are known to consume these fishes, constituting an important ecological interaction. …”
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    The economic tradeoffs and ecological impacts associated with a potential mesopelagic fishery in the California Current
  11. 271
    por Gwynn, Vashti, Symeonakis, Elias
    Publicado 2022
    “…Evidence is growing that apex predators provide a range of ecological benefits, most stemming from the reduction of overgrazing by deer–something from which Scotland suffers. …”
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    Rule-based habitat suitability modelling for the reintroduction of the grey wolf (Canis lupus) in Scotland
  12. 272
    “…Representatives of this family all have hypertrophied, anteriorly-directed chelicerae and are commonly considered Silurian and Devonian apex predators. Despite a long history of research interest in these appendages, pterygotids have been subject to limited biomechanical investigation. …”
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    Biomechanical analyses of pterygotid sea scorpion chelicerae uncover predatory specialisation within eurypterids
  13. 273
    “…Trace element pollution can adversely affect the brains of individuals and thus impact the entire population of apex predators, such as large European carnivores. We assessed exposure to prominent neurotoxicants As, Cd, Hg and Pb by measuring their brain stem levels in brown bears (n = 114), grey wolves (n = 8), Eurasian lynx (n = 3), and golden jackals (n = 2) sampled in 2015–2022 in Croatia. …”
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    Lead and Other Trace Element Levels in Brains of Croatian Large Terrestrial Carnivores: Influence of Biological and Ecological Factors
  14. 274
    “…Sea otters (Enhydra lutris) and wolves (Canis lupus) are two apex predators with strong and cascading effects on ecosystem structure and function. …”
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    Recovery of a marine keystone predator transforms terrestrial predator–prey dynamics
  15. 275
    “…Previous studies suggest that the magnitude of the decline in primary production on apex predators could be amplified through the trophodynamics of marine food webs, leading to larger decreases in the biomass of predators relative to the decrease in primary production, a mechanism called trophic amplification. …”
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    Trophic amplification: A model intercomparison of climate driven changes in marine food webs
  16. 276
    “…Our findings can help inform conservation management of these apex predators and the ecosystems of which they are part.…”
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    North-South Differentiation and a Region of High Diversity in European Wolves (Canis lupus)
  17. 277
    “…American alligators are apex predators capable of protecting their offspring against most dangers, whereas adult spectacled caimans are frequently predated themselves. …”
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    Early life differences in behavioral predispositions in two Alligatoridae species
  18. 278
    “…We leveraged a unique sampling infrastructure to compare the microbiomes of two apex predators, the white (Carcharodon carcharias) and tiger shark (Galeocerdo cuvier), to those of the filter-feeding whale shark (Rhincodon typus), allowing us to explore the effects of feeding mode on intestinal microbiome diversity and metabolic function, and environmental exposure on the diversity of microbes external to the body (on the skin, gill). …”
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    Microbiome structure in large pelagic sharks with distinct feeding ecologies
  19. 279
    “…Information about anisakid biodiversity in their cetacean definitive hosts, which are apex predators of marine ecosystems, acquires particular importance for conservation measures in the context of global climate change phenomena.…”
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    Distribution and genetic diversity of Anisakis spp. in cetaceans from the Northeast Atlantic Ocean and the Mediterranean Sea
  20. 280
    “…The golden eagle (Aquila chrysaetos) and the white-tailed eagle (Haliaeetus albicilla), being apex predators and facultative scavengers, can bioaccumulate different environmental contaminants, including toxic elements that may adversely affect their health. …”
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    Lead, cadmium, and other trace elements in the liver of golden eagles and white-tailed eagles: recent data from Poland and a systematic review of previous studies
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