Results 61 to 70 of about 9,933 (187)

How reliably do keratinous tissues predict total mercury concentration in internal tissues of a highly mobile carnivore with a terrestrial diet?

open access: yesJournal of Zoology, Volume 325, Issue 2, Page 102-114, February 2025.
The reliability of using hair to precisely assess internal mercury burden varies across species, however few studies have assessed the reliability of using claw. We quantified total mercury concentration in internal and keratinous tissues of 55 red foxes (Vulpes vulpes) to compare the performance of hair and claw in predicting internal mercury burden ...
C. Warret Rodrigues   +4 more
wiley   +1 more source

Rationnements et résultats de croissance

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1973
cf. fichier PDF de l'article.
Philippe Lhoste
doaj   +1 more source

Caractérisation hydrobiologique saisonnière de la lagune de bizerte (Tunisie) [PDF]

open access: yes, 2010
Cette étude a pour but la caractérisation hydrobiologique d’une lagune méditerranéenne (lagune de Bizerte, nord de la Tunisie) sur la base de dix campagnes de mesures réalisées à une fréquence mensuelle durant l’année 2004, de janvier à décembre.
Bejaoui, Béchir   +4 more
core   +1 more source

Drought effects in Mediterranean forests are not alleviated by diversity‐driven water source partitioning

open access: yesJournal of Ecology, Volume 112, Issue 9, Page 2107-2122, September 2024.
Tree species diversity promotes below‐ground water source partitioning in mixed oak and pine stands, potentially reducing competition for water in more diverse ecosystems. Yet, these results show that it is insufficient to buffer the adverse impacts of severe droughts on above‐ground tree carbon and water use, leading to higher water stress, especially
Eugénie Mas   +5 more
wiley   +1 more source

Relations saisonnières entre l'activité de la monoamine-oxydase sérique et la cupréimie chez le bouc Angora (Capra hircus)

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1998
L'activité de la monoamine-oxydase (MAO) et la teneur en cuivre sérique ont été déterminées et les variations saisonnières étudiées chez 25 boucs Angora sains âgés de 18-24 mois et élevés dans les conditions habituelles d'alimentation et d'hygiène.
A. Altintas, S. Celik, M.Z. Cevik
doaj   +1 more source

A framework for Indigenous climate resilience: A Gitxsan case study

open access: yesCanadian Geographer / Le géographe canadien, Volume 68, Issue 3, Page 368-379, Autumn / automne 2024.
Abstract Indigenous communities in British Columbia hold deep relationships with their Lands, and are disproportionately affected by climate change. This study assesses resilience of Indigenous communities to climate change with respect to changes in the traditional seasonal round.
Janna Deanne Wale, Lael Parrott
wiley   +1 more source

Les prix de la viande bovine à Dakar. Tendance et saisonnalité de 1978 à 1987

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1990
Une étude rétrospective a été menée, grâce à des techniques économétriques simples, sur des séries chronologiques de prix mensuels de la viande en gros aux abattoirs de Dakar, de janvier 1978 à décembre 1987.
Cheikh Ly
doaj   +1 more source

Density‐dependence and competition between Tranosema rostrale and Elachertus cacoeciae, two parasitoids of the spruce budworm

open access: yesEntomologia Experimentalis et Applicata, Volume 172, Issue 6, Page 533-543, June 2024.
The interactions between two common parasitoid species (Hymenoptera) of the spruce budworm, Choristoneura fumiferana (Lepidoptera: Tortricidae), were investigated during the low‐density period between outbreaks using data collected through field‐implanted larvae in two sites over a 35‐year period.
Véronique Martel   +2 more
wiley   +1 more source

Les climats chauds et la production laitière

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1949
Aucun résumé disponible.
Georges Curasson
doaj   +1 more source

Unravelling the biogeographic determinants of tree growth sensitivity to freeze and drought in Canada's forests

open access: yesJournal of Ecology, Volume 112, Issue 4, Page 848-869, April 2024.
The authors document spatial variations in tree growth sensitivity to freeze and soil moisture and vapour pressure deficits in Canada. They utilize an extensive multi‐species tree‐ring dataset to create maps representing the strength of relationships (t) between tree basal area increments and these factor for the period 1951–2018, with red indicating ...
Martin P. Girardin   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy