Results 191 to 200 of about 14,618,998 (251)

Prey detection by the predator remains constant across prey densities: evidence from a field experiment in the Arctic tundra

Oikos, EarlyView.
The functional response describes how predator acquisition rates change with prey availability and integrates behavioural processes that occur during predator–prey encounters. Among these processes, prey detection represents a critical yet often overlooked component that can directly influence population dynamics. Variation in detection probability has
Matthieu Weiss‐ Blais, Andréanne Beardsell, Pierre Legagneux, Joël Bêty   +3 more
wiley   +1 more source

Functional Response and Predation Potential of <i>Arma custos</i> (Fabricius) Against <i>Tuta absoluta</i> (Meyrick). [PDF]

Insects
Jiang Y, Zhao Y, Li X, Peng L, Wu SY, Hou Y.   +5 more
europepmc   +1 more source

The interacting effects of precipitation and microhabitat on non‐native seed predation are contingent on temporal dynamics

Oikos, EarlyView.
Understanding how different drivers of global change interact to shape ecological processes remains a major challenge in ecology. Climate change is reshuffling the interactions that structure communities, with major implications for biological invasions.
Mariana C. Chiuffo, Agostina Torres, Mauro N. Tammone, Martin A. Nuñez, Mariano A. Rodriguez‐Cabal   +4 more
wiley   +1 more source

Area‐restricted search under realistic constraints

Oikos, EarlyView.
Abstract Area‐restricted search (ARS) is one of the most influential and widely used concepts in foraging theory, capturing a simple rule by which animals intensify local search following a resource encounter. Because ARS performs well in many spatially structured environments, it serves as a basic model for interpreting movement patterns across taxa ...
Inon Scharf, Arik Dorfman
wiley   +1 more source

Experimental evidence that estimates of demographic parameters depend on initial population size

Oikos, EarlyView.
Classical population models assume that estimated parameters, such as intrinsic growth rate, depend on the species of interest and its environment, but not on the initial population size N(0). However, it has been theoretically proposed that this dependence is a mathematical consequence of reducing a two‐dimensional system (e.g.
Samantha L. Coinus, Alissa Deschamps, Vasco Lepori, Sarah M. Gray, Louis‐Félix Bersier   +4 more
wiley   +1 more source

Greenery or fear: Site use of Himalayan ibex in a predator-dominant landscape. [PDF]

iScience
Ali H, Sutherland C, Din JU, Nawaz MA.
europepmc   +1 more source

Piecewise structural equation modelling in ecology: common pitfalls and best practices for causal inference

Oikos, EarlyView.
Structural equation modelling (SEM) has become a cornerstone tool in ecology for testing hypotheses about causal relationships and disentangling direct and indirect effects. However, its growing use has led to frequent conceptual and methodological misapplications.
Álvaro Gaytán
wiley   +1 more source

Trait‐mediated thermal responses and multi‐axis spatiotemporal niche partitioning between coexisting top predators in ponds

Oikos, EarlyView.
Understanding how physiological constraints scale up to realized niche differences remains a central challenge in functional ecology. Temperature strongly influences metabolic performance, activity, and habitat selection in ectotherms, yet few field studies quantify how thermal responses interact with diel and habitat structure to shape predator ...
Jason R. Rohr
wiley   +1 more source

Early Bird Special: Quantifying Tiger Shark Predation on Albatross Fledglings at Kure Atoll. [PDF]

Ecol Evol
Dudzik C, Chin A, McClure EC.
europepmc   +1 more source

Life‐history traits and phylogeny structure taxon‐specific species–substrate relationships in deadwood

Oikos, EarlyView.
To understand the structuring of species assemblages, integrating life‐history traits and evolutionary heritage in analyses is vital. This allows the assessment of a mechanistic link between species and their environment. Deadwood systems are vital for nutrient cycling and biodiversity support, governed by complex intra‐ and inter‐specific fungal and ...
Albin Larsson Ekström, Heloise Gibb, Mari Jönsson, Line Boberg Djupström, Therese Löfroth   +4 more
wiley   +1 more source