Results 71 to 80 of about 2,244 (163)

The Effect of Age on Survival Is Similar in Males and Females of an Aquatic Insect Species

open access: yesEcologies
Age is a critical intrinsic factor that influences the probability of survival of organisms on Earth. In many animals, the lifestyles and habitat occupancy of males and females are so different that the effect of age could be sex-dependent.
Abdeldjalil Youcefi   +7 more
doaj   +1 more source

Contrasting Patterns of Inbreeding and Inbreeding Depression in Co‐Occurring Spotted Turtle and Eastern Box Turtle Populations

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
We found that while spotted turtles had smaller population sizes, occupied smaller habitat patches, had smaller home ranges, and had higher baseline physiological stress levels than box turtles, the box turtle populations had much higher inbreeding coefficients than the spotted turtle populations.
Paige K. Madden   +4 more
wiley   +1 more source

Does pleopod setation provide a measure of maturity in female southern rock lobsters Jasus edwardsii? [PDF]

open access: yes, 2005
Processes affecting the estimation of the size at onset of maturity (SOM) using ovigerous setae were investigated in southern rock lobsters Jasus edwardsii. Comparison of estimates of SOM based on ovigerous setae in samples collected during summer months
Frusher, SD, Gardner, C, Mills, DJ
core   +4 more sources

Apparent annual survival of staging ruffs during a period of population decline: insights from sex and site-use related differences [PDF]

open access: yes, 2015
The ruff Philomachus pugnax, a lekkingshorebird wintering in Africa and breeding across northernEurasia, declined severely in its western range. Based on acapture-mark-resighting programme (2004–2011) in thewesternmost staging area in Friesland (the ...
Hooijmeijer, J.C.E.W.   +5 more
core   +1 more source

Microclimatic niche shifts predict long‐term survival and body mass declines in a warmer and more degraded world

open access: yesJournal of Applied Ecology, Volume 62, Issue 12, Page 3381-3394, December 2025.
Using a long‐term mark‐recapture methodology in the eastern Himalaya, we find that bird species that experience the greatest shifts in microclimatic niches after selective logging undergo the steepest declines in body mass and survival within the logged forest. By identifying the potential mechanisms underlying species responses to selective logging in
Akshay Bharadwaj   +8 more
wiley   +1 more source

Photo-identification and its application to gregarious delphinids: Common dolphins (Delphinus sp.) in the Hauraki Gulf, New Zealand : A thesis submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Marine Ecology at Massey University, Albany, New Zealand [PDF]

open access: yes, 2016
Common dolphins (Delphinus sp.) remain one of the most poorly understood delphinids within New Zealand waters. Baseline data on their abundance, site fidelity, movement patterns, and social structure remain unknown.
Hupman, Krista E
core  

Genetic and environmental factors associated with survival of a rare songbird in a fragmented urban landscape

open access: yesConservation Science and Practice, Volume 7, Issue 12, December 2025.
We conducted individual banding and resighting studies and collected genetic data in populations of coastal Cactus Wrens in Orange and San Diego Counties between 2009 and 2020. We found that survival was much lower for hatch year birds than after hatch year birds and that higher precipitation and heterozygosity had positive effects on survival. Results
Amy G. Vandergast   +6 more
wiley   +1 more source

Effective citizen science implementation reveals ecological and conservation insights for two amphibian species

open access: yesJournal of Zoology, Volume 327, Issue 4, Page 363-375, December 2025.
We applied a capture‐mark‐recapture approach to six years of data from a community‐led study of two near eastern fire salamander (Salamandra infraimmaculata) populations, alongside a one‐year survey of two urban green toad (Bufotes sitibundus) populations.
O. Darel   +7 more
wiley   +1 more source

A recipe for postfledging survival in great tits Parus major: be large and be early (but not too much) [PDF]

open access: yes, 2016
Survival of juveniles during the postfledging period can be markedly low, which may have major consequences on avian population dynamics. Knowing which factors operating during the nesting phase affect postfledging survival is crucial to understand avian
Belda E. J.   +20 more
core   +1 more source

Application of photographic ‘capture–recapture' modelling to estimate recruitment and apparent survival in a long‐lived territorial raptor

open access: yesJournal of Avian Biology, Volume 2025, Issue 6, November 2025.
Survival is a life history trait that contributes most to population dynamics in long‐lived birds, and the study of individual characteristics is relevant for population conservation. Here we provide information on territorial recruitment and individual replacement in a population of Bonelli's eagle Aquila fasciata in southeastern Spain based on a long‐
José Enrique Martínez   +3 more
wiley   +1 more source

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