Results 1 to 10 of about 55,607 (194)
Predation bias of Ordovician predators on trilobites
Journal of the Geological Society, 2023 Although prey selection has been commonly documented in extant animals, evidence of prey selection in deep time is rare by comparison. Here, we collected 147 broken sclerites of trilobites, almost all of which were caused by lethal predation, from the Upper Ordovician in NW China.
Ruiwen Zong, Ruoying Fan, Yiming Gong
openaire +1 more source
Drone Observations of Marine Life and Human–Wildlife Interactions off Sydney, Australia
Drones, 2022 Drones have become popular with the general public for viewing and filming marine life. One amateur enthusiast platform, DroneSharkApp, films marine life in the waters off Sydney, Australia year-round and posts their observations on social media.
Vanessa Pirotta +3 more
doaj +1 more source
Using accelerometers to develop time-energy budgets of wild fur seals from captive surrogates [PDF]
PeerJ, 2018 Background Accurate time-energy budgets summarise an animal’s energy expenditure in a given environment, and are potentially a sensitive indicator of how an animal responds to changing resources. Deriving accurate time-energy budgets requires an estimate
Monique A. Ladds +6 more
doaj +2 more sources
Scientific Reports, 2023 Many large predator populations are in decline globally with significant implications for ecosystem integrity and function. Understanding the drivers of their decline is required to adequately mitigate threats.
Andrew J. Loveridge +4 more
doaj +1 more source
Reciprocal intraguild predation and predator coexistence [PDF]
Ecology and Evolution, 2018 AbstractIntraguild predation is a mix of competition and predation and occurs when one species feeds on another species that uses similar resources. Theory predicts that intraguild predation hampers coexistence of species involved, but it is common in nature.
Renata Vieira Marques +7 more
openaire +4 more sources
Ecology and Evolution, 2023 Information on resource use and trophic dynamics of marine predators is important for understanding their role in ecosystem functioning and predicting population‐level responses to environmental change.
Jonathan A. Botha +8 more
doaj +1 more source
A critical assessment of marine predator isoscapes within the southern Indian Ocean
Movement Ecology, 2020 Background Precise and accurate retrospective geolocation of marine predators via their tissues’ isotopic composition relies on quality reference maps of relevant isotopic gradients (“isoscapes”).
Tegan Carpenter-Kling +4 more
doaj +1 more source
Predation and accumulation [PDF]
Journal of Economic Growth, 1995 This article incorporates the economic theory of predation into the theory of economic growth. The analytical framework is a general-equilibrium model of the interaction between two dynasties: a potential predator and its prey. We find that the rate of accumulation of capital and the security of property are positively related only for generations of ...
Herschel I. Grossman, Minseong Kim
openaire +2 more sources
Predators avoiding predation [PDF]
Proceedings of the National Academy of Sciences, 2008 The notion of stealthy predation often invokes images of a predator hiding and waiting to ambush its unsuspecting prey. In this issue of PNAS, Manicom et al. (1) offer an alternative reason why predators hide that involves an important tradeoff between capturing prey and seeking refuge to avoid their own demise from other predator species.
openaire +3 more sources
Animal Biotelemetry, 2017 Background Semi-automating the analyses of accelerometry data makes it possible to synthesize large data sets. However, when constructing activity budgets from accelerometry data, there are many methods to extract, analyse and report data and results ...
Monique A. Ladds +5 more
doaj +1 more source