Results 11 to 20 of about 7,092 (254)

Inter- and Intraspecific Trait Compensation of Behavioural and Morphological Defences in a Damselfly Genus

open access: yesFrontiers in Ecology and Evolution, 2022
Predation is a key driver of phenotypic diversification with prey having evolved sets of correlated anti-predator traits. Changes in anti-predator traits can be studied on an evolutionary as well as on a developmental timescale.
Max Mühlenhaupt   +4 more
doaj   +1 more source

The frequency of body scarring in Caspian Whip Snakes (Dolichophis caspius Gmelin, 1789) in south-western Hungary [PDF]

open access: yesHerpetozoa, 2019
Animals can suffer injuries due to diseases, intraspecific aggression and, most of all, predation events. We present field data to provide numerical information about the injuries found in the largest Caspian Whip Snake (Dolichophis caspius) population ...
Krisztián Frank, György Dudás
doaj   +3 more sources

Symbiont-conferred immunity interacts with effects of parasitoid genotype and intraguild predation to affect aphid immunity in a clone-specific fashion

open access: yesBMC Ecology and Evolution, 2022
Background Host-parasite interactions represent complex co-evolving systems in which genetic and associated phenotypic variation within a species can significantly affect selective pressures on traits, such as host immunity, in the other.
Samuel Alexander Purkiss   +3 more
doaj   +1 more source

Is the spider a good biological control agent for Plutella xylostella (Lepidoptera: Plutellidae)?

open access: yesZoologia (Curitiba), 2018
Spiders, as predators of insects and other invertebrates, are an important part of the natural enemies, and they are recognized as an important biological control agent.
Xuan Huang   +4 more
doaj   +1 more source

Unbalanced population structure and reliance on intraspecific predation by largemouth bass in an agricultural pond with no available prey fish

open access: yesJournal of Freshwater Ecology, 2020
The carnivorous largemouth bass Micropterus salmoides has been introduced to many regions and poses a threat to native aquatic organisms due to predation, resulting in a significant decrease in biodiversity.
Natsuru Yasuno   +4 more
doaj   +1 more source

The evolution of crypsis when pigmentation is physiologically costly

open access: yesAnimal Biodiversity and Conservation, 2020
Predation is one of the main selective forces in nature, frequently selecting for crypsis in prey. Visual crypsis usually implies the deposition of pigments in the integument. However, acquisition, synthesis, mobilisation and maintenance of pigments may
G. Moreno–Rueda
doaj   +1 more source

Cooperation and Lateral Forces: Moving Beyond Bottom-Up and Top-Down Drivers of Animal Population Dynamics

open access: yesFrontiers in Psychology, 2022
Biologists have long known that animal population dynamics are regulated by a combination of bottom-up (resource availability) and top-down forces (predation).
Ying-Yu Chen   +3 more
doaj   +1 more source

The Predatory Ability and Intraspecific Interference Response of Arma chinensis to the Larvae of Ectropis grisescens [PDF]

open access: yesChaye kexue
To explore the biological control potential of Arma chinensis, a predatory insect, against Ectropis grisescens larvae, the predation and search effect of 4th-5th instar Arma chinensis nymphs and female adults on 3rd-5th instar larvae of Ectropis ...
GUO Shibao, CHEN Junhua, ZHANG Long, LI Feifan, LIU Hongmin, SHI Hongzhong
doaj   +1 more source

Intraspecific predation in the Liolaemus lizard radiation: a primer [PDF]

open access: yesAnimal Biology, 2012
Intraspecific predation (cannibalism) occurs in a number of lizard species, although the incidence of this trophic behaviour appears to be infrequent. Within the South AmericanLiolaemuslizard evolutionary radiation, the primary component of the carnivorous diet (herbivory has also evolved in several species) includes a diversity of arthropods and other
openaire   +2 more sources

Population variation in the trophic niche of the Trinidadian guppy from different predation regimes

open access: yesScientific Reports, 2017
Population variation in trophic niche is widespread among organisms and is of increasing interest given its role in both speciation and adaptation to changing environments.
Eugenia Zandonà   +11 more
doaj   +1 more source

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