Results 51 to 60 of about 5,109 (155)
Revue Marocaine des Sciences Agronomiques et Vétérinaires, 2022 La nature de la matière organique dans les différentes fractions granulométriques est un meilleur indicateur du niveau de dégradation du sol. La présente étude a pour objectif d’évaluer les influences des différents modes d’utilisation des terres sur la ...
Christophe Codjo ATCHADA +1 more
doaj
The effect of elevation on species richness in tropical forests depends on the considered lifeform: results from an East African mountain forest [PDF]
, 2019 Elevation gradients in tropical forests have been studied but the analysis of patterns displayed by species richness and elevation have received little attention.
Amani, Christian +3 more
core +1 more source
Journal 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
Filter no more: A modified plankton sampler for rapid in‐water eDNA capture
Methods in Ecology and Evolution, Volume 15, Issue 1, Page 60-68, January 2024.Abstract The combination of an efficient sampling method and high‐throughput analysis of environmental DNA (eDNA) can be a powerful approach for characterising biodiversity across aquatic ecosystems. Plankton net tows are one of the oldest, simplest, and least expensive methods for seston and eDNA collection, but require laborious filtration steps ...
Xavier Pochon +3 more
wiley +1 more source
Distribution des Rhipicephalus du bétail dans les steppes et savanes d'Afrique Occidentale
Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1964 Seuls sont envisagés ici les Rhipicephalus exophiles, dont les adultes infestent le bétail et le grand gibier dans les formations végétales ouvertes. Après un rappel sur l'habitat des tiques et sur la phytogéographie de la sous-région, la distribution de
Pierre-Claude Morel
doaj +1 more source
Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1958 Aucun résumé disponible en français.
P. Mainguy
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Pour une esquisse biogéographique du Saint-Laurent [PDF]
, 1967 In most instances, biogeographical monographs deal only with a fragmentary aspect of the subject-matter. In spite of their titles, some of these monographs are nothing but phytogeographical essays, and even then, these deal with a limited range of ...
Rousseau, Jacques
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Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1967 Des prospections effectuées dans les Niayes et sur la Petite Côte (République du Sénégal) font ressortir la distribution géographique actuelle de Glossina palpalis gambiensis dans ces régions. Son biotope est constitué dans les Niayes par des galeries de
Pierre-Claude Morel, Saydil Touré
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Bryophytes from the Cape Verde Islands [PDF]
, 1996 Almost 450 specimens of bryophytes, so far the largest collection of bryophytes ever made on the Cape Verde Islands, were collected in 1995 by the second author on the major islands of the archipelago.
Fischer, Eberhard +3 more
core
An annotated list of the Lepidoptera of Honduras [PDF]
, 2012 A biodiversity inventory of the Lepidoptera of Pico Bonito National Park and vicinity, in the Department of Atlantida of northern Honduras, was initiated in 2009 to obtain baseline data.
Covell, Charles V. , Jr. +8 more
core +2 more sources