Results 21 to 30 of about 15,155 (210)

Lek Territory Size and the Evolution of Leks: A Model and a Test Using an Ungulate With a Flexible Mating System

open access: yesFrontiers in Ecology and Evolution, 2021
Despite many decades of research, the evolution of the rare and unusual lek-mating system continues to be debated. The key question is: why do males defend tiny territories clustered together in an aggregation when the costs of doing so are so high ...
Kavita Isvaran, Kavita Isvaran
doaj   +1 more source

Jak sprawiać wrażenie osoby pewnej siebie w komunikacji publicznej? [PDF]

open access: yes, 2014
Udostępnienie publikacji Wydawnictwa Uniwersytetu Łódzkiego finansowane w ramach projektu „Doskonałość naukowa kluczem do doskonałości kształcenia”. Projekt realizowany jest ze środków Europejskiego Funduszu Społecznego w ramach Programu Operacyjnego ...
Cieśla, Bartłomiej
core   +1 more source

Female preference and predation risk models can explain the maintenance of a fallow deer (Dama dama) lek and its 'handy' location.

open access: yesPLoS ONE, 2014
We tested the predictions of three models (female preference; hotspot; predator avoidance) on lek formation in the fallow deer population of San Rossore, Tuscany.
Marco Apollonio   +3 more
doaj   +1 more source

Local knowledge in ecological modeling

open access: yesEcology and Society, 2018
Local people and scientists both hold ecological knowledge, respectively stemming from prolonged day-to-day contact with the environment and from systematic inquiry based on the scientific method.
Annie Claude Bélisle   +3 more
doaj   +1 more source

Przejawy oraz nasilenie lęku wśród młodzieży naruszającej normy prawne oraz uczniów szkół ponadgimnazjalnych. Raport z badań

open access: yesSeminare, 2022
Celem przeprowadzonych badań była analiza istniejących różnic w nasileniu lęku-stanu i lęku-cechy między badanymi grupami młodzieży z uwzględnieniem czynnika płci.
Marcin Jurczyk
doaj   +1 more source

Strategie rozwiązywania konfliktów stosowane przez żony mężczyzn uzależnionych od alkoholu [PDF]

open access: yes, 2020
Celem artykułu jest przedstawienie strategii rozwiązywania konfliktów w sytuacji uzależnienia męża od alkoholu. Badaniami objęto kobiety pozostające (obecnie lub w przeszłości) w związku z osobą uzależnioną od alkoholu.
Chemperek, Agnieszka
core   +1 more source

Elderly Priests in the Diocese Community [PDF]

open access: yes, 2009
Bp Andrzej Franciszek DziubaHuman life is divided into stages. Today’s societies perceive an old age as an unproductive period of life. The cult of youth and vital forces which seem to determine the value of human life, tends to marginalize elderly ...
Dziuba, Andrzej Franciszek
core   +1 more source

Using an individual-based model to assess common biases in lek-based count data to estimate population trajectories of lesser prairie-chickens.

open access: yesPLoS ONE, 2019
Researchers and managers are often interested in monitoring the underlying state of a population (e.g., abundance), yet error in the observation process might mask underlying changes due to imperfect detection and availability for sampling.
Beth E Ross   +2 more
doaj   +1 more source

Evaluating fishermen’s conservation attitudes and local ecological knowledge of the European sardine (Sardina pilchardus), Peniche, Portugal

open access: yesJournal of Ethnobiology and Ethnomedicine, 2017
Background European sardines are an important fishing resource in the North Atlantic. Recognized for its great commercial and economic value in southern Europe, this resource currently has low stock indices.
Heitor O. Braga   +3 more
doaj   +1 more source

Trade-Offs in Male Display Activity with Lek Size. [PDF]

open access: yesPLoS ONE, 2016
In lek mating systems, males aggregate and defend arenas where they display for females; females select and mate with a male and then solely raise their offspring. Generally, female visits and copulations increase and reproductive variance in male mating
César Cestari   +2 more
doaj   +1 more source

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