Results 31 to 40 of about 385,447 (302)

Social Network Analysis Reveals the Subtle Impacts of Tourist Provisioning on the Social Behavior of a Generalist Marine Apex Predator

open access: yesFrontiers in Marine Science, 2021
Shark dive ecotourism is a lucrative industry in many regions around the globe. In some cases, sharks are provisioned using bait, prompting increased research on how baited dives influence shark behavior and yielding mixed results. Effects on patterns of
David M. P. Jacoby   +9 more
doaj   +1 more source

Predating Predators

open access: yes, 2005
Predating predators requires at least three specimen to which we refer as players 1, 2, and 3. Player 1 has simply to guess nature when trying to find food. Player 2 is hunting player 1 in the hope that 1 is well-fed but must also avoid being hunted by player 3.
Avrahami, Judith   +2 more
openaire   +1 more source

Abundance of Cereal Aphids (Homoptera: Aphididae) and Their Predators in Spring Wheat-Alfalfa Intercrops Under Different Crop Management Intensities [PDF]

open access: yes, 2018
Natural infestations of cereal aphids and abundance of their predators were compared from 1990 through 1993 among plots of intercropped spring wheat and alfalfa grown under high, intermediate, or low crop management intensity (CMI).
Evenson, Paul D   +2 more
core   +2 more sources

Plant age, crop stage and surrounding habitats: their impact on sucking pests and predators complex in cotton (Gossypium hirsutum L.) field plots in arid climate at district Layyah, Punjab, Pakistan

open access: yesBrazilian Journal of Biology, 2021
Sucking pests are major threat to cotton field crop which cause unbearable losses to the crop yield. Aim of the current study was to record seasonal dynamics of major sucking insect pests including whitefly, jassid, thrips and their natural arthropod ...
A. Nadeem, H. M. Tahir, A. A. Khan
doaj   +1 more source

Fish and amphibians as bat predators [PDF]

open access: yes, 2015
Although bats (Chiroptera) belong to the most diverse mammalian orders, study of diversity of their natural predators has been seriously neglected for a long time.
Mikula, Peter
core   +3 more sources

Cardenolides in the defensive fluid of adult large milkweed bugs have differential potency on vertebrate and invertebrate predator Na+/K+-ATPases

open access: yesRoyal Society Open Science
Aposematic animals rely on diverse secondary metabolites for defence. Various hypotheses, such as competition, life history and multifunctionality, have been posited to explain defence variability and diversity.
P. Rubiano-Buitrago   +5 more
doaj   +1 more source

An assessment of diet overlap of two mesocarnivores in the North-West Province, South Africa [PDF]

open access: yes, 2009
We used scat analysis to study the diet of two sympatric medium-sized carnivores: brown hyaena and black-backed jackal, in the NorthWest Province of South Africa.
Bateman, PW   +7 more
core   +2 more sources

Summer foraging behaviour of shallow-diving seabirds and distribution of their prey, Arctic cod (Boreogadus saida), in the Canadian Arctic [PDF]

open access: yesPolar Research, 2012
Productive areas in the Canadian Arctic seasonally provide top predators with accessible and often predictable sources of energy. Arctic cod (Boreogadus saida) aggregate in shallow bays during the summer and are exploited by seabirds and marine mammals ...
Jordan K. Matley   +2 more
doaj   +1 more source

A Community-Based Conservation Initiative for Wolves in the Ladakh Trans-Himalaya, India

open access: yesFrontiers in Ecology and Evolution, 2022
We describe a pilot community-based conservation initiative for wolves Canis lupus that involves (i) voluntary deactivation of traditional trapping pits called Shandong, (ii) commitment to wildlife conservation by the local community, and (iii ...
Karma Sonam   +15 more
doaj   +1 more source

Smelling out predators is innate in birds [PDF]

open access: yes, 2011
The role of olfaction for predation risk assessment remains barely explored in birds, although predator chemical cues could be useful in predator detection under low visibility conditions for many bird species.
Amo, L., Van Oers, K., Visser, M.E.
core   +3 more sources

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