Results 41 to 50 of about 817 (143)

Freshwater megafauna shape ecosystems and facilitate restoration

open access: yesBiological Reviews, Volume 99, Issue 4, Page 1141-1163, August 2024.
ABSTRACT Freshwater megafauna, such as sturgeons, giant catfishes, river dolphins, hippopotami, crocodylians, large turtles, and giant salamanders, have experienced severe population declines and range contractions worldwide. Although there is an increasing number of studies investigating the causes of megafauna losses in fresh waters, little attention
Fengzhi He   +8 more
wiley   +1 more source

'Intentional genetic manipulation' as a conservation threat [PDF]

open access: yes, 2018
Wildlife ranching including the hunting, collection, sales and husbandry of wild animals in captivity, is practised worldwide and is advocated as an approach towards the conservation of wild species.
Birss, Coral   +7 more
core   +2 more sources

Tranquillisation, sédation et anesthésie des bovidés sauvages en parcs zoologiques [PDF]

open access: yes, 2011
Aujourd’hui toutes les espèces de grands singes sont menacées d’extinction. Les parcs zoologiques participent à leur conservation et à l’éducation du public.
Chave, Emmanuelle
core  

A preliminary estimate of the age of the Gladysvale australopithecine site [PDF]

open access: yes, 1993
Excavations conducted at the Gladysvale site in the Transvaal, South Africa during 1991 -1992 have revealed an abundant Plio-Pleistocene fossil fauna from the limeworks breccia dumps and in situ decalcified deposits.
Berger, Lee R
core  

Brucellosis in terrestrial wildlife [PDF]

open access: yes, 2013
The epidemiological link between brucellosis in wildlife and brucellosis in livestock and people is widely recognised. When studying brucellosis in wildlife, three questions arise: (i) Is this the result of a spillover from livestock or a sustainable ...
Blasco Martínez, José María   +3 more
core  

Les myiases des artiodactyles sauvages et des proboscidiens d'Afrique centrale [PDF]

open access: yes, 1979
Les auteurs font l'inventaire des larves d'Oestridae et de Gasterophilidae existant en Afrique centrale chez les Artiodactyles sauvages et chez les éléphants. Huit espèces différentes ont été dénombrées dont deux nouvelles pour le Tchad et pour la R.C.A.:
Graber, Michel, Thal, J.
core  

Metallothionein from wild populations of the African catfish Clarias gariepinus : from sequence, protein expression and metal binding properties to transcriptional biomarker of metal pollution [PDF]

open access: yes, 2017
Anthropogenic pollution with heavy metals is an on-going concern throughout the world, and methods to monitor release and impact of heavy metals are of high importance.
Blindauer, Claudia A.   +7 more
core   +3 more sources

Female preference and predation risk models can explain the maintenance of a Fallow deer (Dama dama) lek and its ‘handy’ location [PDF]

open access: yes, 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.
Apollonio, Marco   +3 more
core   +3 more sources

Les helminthes de quelques artiodactyles sauvages appartenant aux familles des bovidés et des suidés : ces mammifères, en République du Tchad et en R.C.A., sont-ils des réservoirs de parasites pour les animaux domestiques vivant à leur contact? [PDF]

open access: yes, 1964
Les auteurs procèdent à l'autopsie d'une centaine de bovidés et suidés sauvages et identifient 47 espèces d'helminthes dont 26 spécifiques et 21 communes aux artiodactyles sauvages et domestiques (dont 13 très courantes, à large dispersion et fortement ...
Doutre, Michel-Pierre   +5 more
core  

Higher masseter muscle mass in grazing than in browsing ruminants [PDF]

open access: yes, 2018
Using cranioskeletal measurements, several studies have generated evidence that grazing ruminants have a more pronounced mastication apparatus, in terms of muscle insertion areas and protuberances, than browsing ruminants, with the resulting hypothesis ...
Clauss, Marcus   +4 more
core  

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