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Ofer Ovadia

Researcher at Ben-Gurion University of the Negev

Publications -  97
Citations -  3218

Ofer Ovadia is an academic researcher from Ben-Gurion University of the Negev. The author has contributed to research in topics: Population & Antlion. The author has an hindex of 28, co-authored 92 publications receiving 2817 citations. Previous affiliations of Ofer Ovadia include Yale University.

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Trophic cascades : the primacy of trait-mediated indirect interactions

TL;DR: It is shown that simple trade-off behaviour can lead to both positive and negative indirect effects of predators on plant resources and hence can explain considerable contingency on the nature and strength of cascading effects among systems.
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Factors Influencing Site Abandonment and Site Selection in a Sit-and-Wait Predator: A Review of Pit-Building Antlion Larvae

TL;DR: This synthesis shows that prey abundance may have relatively little effect on pit relocation and that physical properties of the habitat or competition often override its effect, and proposes new research directions, such as studying whether pit relocation is an adaptive response, when controlling for possible phylogenetic effects.
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Foraging decisions and behavioural flexibility in trap-building predators: a review.

TL;DR: Evidence is provided that the behaviour of trap‐building predators is not stereotypic or fixed as was once commonly accepted, rather it can vary greatly, depending on the individual's internal state and its interactions with external environmental factors.
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Efficiency Evaluation of Two Competing Foraging Modes under Different Conditions

TL;DR: It is suggested that the simulation model used to test the relative success of an ambush and an active predator changes as a function of the relative velocity and movement directionality of prey and active predator is a better predictor of encounter rates than previous studies.
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Core gut microbial communities are maintained by beneficial interactions and strain variability in fish.

TL;DR: The authors investigated microbial communities at three sites in the guts of European seabass under four dietary conditions and identified generalist core microbial populations in each gut site that are shared across fish, present under multiple diets and persistent over time.