Results 61 to 70 of about 423,130 (137)

Evaluation of LiDAR‐based canopy trait estimation in Midwestern row crops

open access: yesThe Plant Phenome Journal, Volume 9, Issue 1, December 2026.
Abstract Stand count, the number of plants per unit ground area, and leaf area index (LAI), the ratio of leaf area to ground area, are critical traits for crop research but are traditionally measured using labor‐intensive methods. While new sensing technologies are being developed, quantifying improvement in measurement efficiency and data quality ...
Matthew H. Siebers   +4 more
wiley   +1 more source

Sociability Under Anthropogenic Change: From Individual Behaviour to Population‐Level Consequences

open access: yesEcology and Evolution, Volume 16, Issue 10, October 2026.
Our review synthesises empirical and theoretical research on how anthropogenic environmental change reshapes animal social behaviour from individuals to populations. We use sociability as an individual‐level lens, distinguishing context‐dependent expression from repeatable interindividual differences and linking both to social relationships, network ...
Paulina Kowalczyk, Barbara Pietrzak
wiley   +1 more source

Unexpected terrestrial hand posture diversity in wild mountain gorillas

open access: yes, 2018
Objectives Gorillas, along with chimpanzees and bonobos, are ubiquitously described as ‘knuckle-walkers.’ Consequently, knuckle-walking (KW) has been featured pre-eminently in hypotheses of the pre-bipedal locomotor behavior of hominins and in the ...
Thompson, N.   +5 more
core   +1 more source

Manual skills for food processing by mountain gorillas in Bwindi Impenetrable National Park, Uganda [PDF]

open access: yes, 2018
Although gorillas rarely use tools in the wild, their manipulative skills during plant processing may be similar to those of other tool-using great apes.
Robbins, Martha M.   +9 more
core   +1 more source

‘A Sort of Armed Argument’: Ireland's Civil War of Words

open access: yesHistory, Volume 111, Issue 397, Page 556-576, September 2026.
Abstract This article sets out to contribute to the study of the languages of European civil wars through outlining and analysing the deployment of language as a weapon by the opposing sides of the Irish independence movement that split over the terms of the Anglo‐Irish Treaty of December 1921.
DONAL Ó DRISCEOIL
wiley   +1 more source

An investigation into some effects of captivity on the behaviour of gorillas and chimpanzees in four British zoos [PDF]

open access: yes, 1999
This study, conducted at four British zoos over a period of four months, investigated some of the effects of captivity on the typical daily behaviour of 14 adult chimpanzees (Pan troglodytes) and 9 adult western lowland gorillas (Gorilla gorilla gorilla),
Hill, Sonya Petre
core  

Lack of Rule-Adherence During Mountain Gorilla Tourism Encounters in Bwindi Impenetrable National Park, Uganda, Places Gorillas at Risk From Human Disease

open access: yesFrontiers in Public Health, 2020
Mountain gorillas (Gorilla beringei beringei) are an endangered primate species, with ~43% of the 1,063 individuals that remain on the planet today residing in Bwindi Impenetrable National Park (BINP) in southwestern Uganda.
Annalisa Weber   +4 more
doaj   +1 more source

Meat Acquisition Skill and Male Reproductive Success in Guinea Baboons

open access: yesAmerican Journal of Biological Anthropology, Volume 190, Issue 4, August 2026.
ABSTRACT Objectives In human foraging societies, hunting skill is often interpreted as a signal of male quality linked to reproductive success through his ability to provision his family and community. Similarly, in some bird and insect species, males offer mates food to indicate their quality as a provider.
William J O'Hearn   +3 more
wiley   +1 more source

"Zaï" Technique traditionnelle de restauration et de récupération des terres arides [PDF]

open access: yesTropicultura, 1990
"Zai", a traditional technique for restoring and recovering of arid soils. This work presents some observations about mountain gorillas behaviour in captivity at Tshibati.
Sonda, JM.
doaj  

Cumulative Early‐Life Adversities Predict Short‐ and Long‐Term Survival in a Critically Endangered Lemur (Propithecus verreauxi)

open access: yesEcology and Evolution, Volume 16, Issue 8, August 2026.
Infant survival of wild Verreaux's sifakas was impacted by different cumulative indices of early adversities. Of the single factors, maternal loss, large group size and the absence of an older sibling decreased the odds of survival across the lifespan. Adversities early in life have persistent negative long‐term effects on survival.
Claudia Fichtel, Peter M. Kappeler
wiley   +1 more source

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