Chaos and extinction risks of sexually reproductive generalist top predator in a seasonally forced food chain system with Allee effect.
Sign Up to like & getrecommendations! Published in 2024 at "Chaos"
DOI: 10.1063/5.0212961
Abstract: This paper investigates the dynamics of a tritrophic food chain model incorporating an Allee effect, sexually reproductive generalist top predators, and Holling type IV and Beddington-DeAngelis functional responses for interactions across different trophic levels. Analytically,… read more here.
Keywords: predator; sexually reproductive; allee effect; food chain ... See more keywords
Combined measurements of prey availability explain habitat selection in foraging seabirds
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DOI: 10.1098/rsbl.2018.0348
Abstract: Understanding links between habitat characteristics and foraging efficiency helps predict how environmental changes influence populations of top predators. This study examines whether measurements of prey (clupeids) availability varied over stratification gradients, and determined if any… read more here.
Keywords: prey availability; availability; top predators; combined measurements ... See more keywords
Hunting and Habitat Destruction Drive Widespread Functional Declines of Top Predators in a Global Deforestation Hotspot
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DOI: 10.1111/ddi.70003
Abstract: We investigated the effects of habitat destruction and hunting on the functional decline of top predators, specifically jaguar and puma, in the Gran Chaco. read more here.
Keywords: hunting habitat; drive widespread; destruction drive; top predators ... See more keywords
Spatial relationships and mechanisms of coexistence between dominant and subordinate top predators
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DOI: 10.1111/jav.01337
Abstract: Most forest ecosystems contain a diverse community of top-level predators. How these predator species interact, and how their interactions influence their spatial distribution is still poorly understood. Here we studied interactions among top predators in… read more here.
Keywords: top predators; coexistence; spatial distribution; phenology ... See more keywords
Unseen overlap between fishing vessels and top predators in the northeast Pacific
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DOI: 10.1126/sciadv.adl5528
Abstract: Accurate assessments of human-wildlife risk associated with industrial fishing are critical for the conservation of marine top predators. Automatic Identification System (AIS) data provide a means of mapping fishing and estimating human-wildlife risk; however, risk… read more here.
Keywords: overlap fishing; fishing vessel; unseen overlap; northeast pacific ... See more keywords
Cascading effects of top predator changes in a seagrass bed under selective fishing
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DOI: 10.1186/s13717-024-00576-8
Abstract: With the widespread promotion of selective fishing which may target top predatory fishes, the abundance and species composition of top predators could change, which may further impact species at lower trophic levels through a chain… read more here.
Keywords: top predator; selective fishing; fishing; species lower ... See more keywords
Present in the Aquatic Environment, Unclear Evidence in Top Predators—The Unknown Effects of Anti-Seizure Medication on Eurasian Otters (Lutra lutra) from Northern Germany
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DOI: 10.3390/toxics11040338
Abstract: Emerging contaminants are produced globally at high rates and often ultimately find their way into the aquatic environment. These include substances contained in anti-seizure medication (ASM), which are currently appearing in surface waters at increasing… read more here.
Keywords: anti seizure; seizure medication; top predators; otters lutra ... See more keywords