Results 21 to 30 of about 5,109 (155)

Does the altitude affect the stability of montane forests? A study in the Kahuzi-Biega National Park (Democratic Republic of the Congo) [PDF]

, 2017
To understand the functioning of montane forests, this study was conducted in the highlands of the Kahuzi-Biega National Park in the Democratic Republicof the Congo.
Amani, Christian, Cirimwani, Legrand, Doumenge, Charles, Gonmadje, Christelle, Gourlet-Fleury, Sylvie, Kahindo, Jean-Marie   +5 more
core   +1 more source

BIOGÉOGRAPHIE DU SILURE GLANE (SILURUS GLANIS) : CAUSES HYDROGRAPHIQUES, CLIMATIQUES ET ANTHROPIQUES. BIOGEOGRAPHY OF THE SHEATFISH (SILURUS GLANIS) : HYDROGRAPHICAL, CLIMATIC AND ANTHROPIC CAUSES.

Knowledge and Management of Aquatic Ecosystems, 2008
La répartition actuelle du silure glane (Silurus glanis) en France et en Europe résulte de la combinaison de facteurs à la fois hydrographiques, climatiques et anthropiques.
SCHLUMBERGER O., SAGLIOCCO M., PROTEAU J. P.   +2 more
doaj   +1 more source

Freshwater crayfish distribution update and maps for Greece: combining literature and citizen-science data

Knowledge and Management of Aquatic Ecosystems, 2017
Crayfish are charismatic creatures of high interest to humans, among others playing key roles in freshwater ecosystems. Considering the significance of indigenous crayfish species (ICS) as well as the risks posed by non-indigenous crayfish species (NICS)
Perdikaris Costas, Konstantinidis Evangelos, Georgiadis Christos, Kouba Antonín   +3 more
doaj   +1 more source

Release of Aphidius rhopalosiphi (Hymenoptera: Aphidiinae) for cereal aphid control: field cage experiments

European Journal of Entomology, 2000
The potential of the parasitoid Aphidius rhopalosiphi for controlling cereal aphids was tested in 16 m2 field cage experiments in 1998 and 1999. In the first year, aphids and parasitoids were released in cages containing naturally occurring populations ...
Amandine LEVIE, Pierre DOGOT, Thierry HANCE   +2 more
doaj   +1 more source

World Flora Online: Placing taxonomists at the heart of a definitive and comprehensive global resource on the world's plants

TAXON, Volume 69, Issue 6, Page 1311-1341, December 2020., 2020
Abstract It is time to synthesize the knowledge that has been generated through more than 260 years of botanical exploration, taxonomic and, more recently, phylogenetic research throughout the world. The adoption of an updated Global Strategy for Plant Conservation (GSPC) in 2011 provided the essential impetus for the development of the World Flora ...
Thomas Borsch, Walter Berendsohn, Eduardo Dalcin, Maïté Delmas, Sebsebe Demissew, Alan Elliott, Peter Fritsch, Anne Fuchs, Dmitry Geltman, Adil Güner, Thomas Haevermans, Sandra Knapp, M. Marianne le Roux, Pierre‐André Loizeau, Chuck Miller, James Miller, Joseph T. Miller, Raoul Palese, Alan Paton, John Parnell, Colin Pendry, Hai‐Ning Qin, Victoria Sosa, Marc Sosef, Eckhard von Raab‐Straube, Fhatani Ranwashe, Lauren Raz, Rashad Salimov, Erik Smets, Barbara Thiers, Wayt Thomas, Melissa Tulig, William Ulate, Visotheary Ung, Mark Watson, Peter Wyse Jackson, Nelson Zamora   +36 more
wiley   +1 more source

Typologie et dynamique forestières: Un exemple en Barousse (Hautes Pyrénées)

Pirineos: Revista de Ecología de Montaña, 1996
[fr] L'analyse phytoécologique de hêtraies des Pyrénées Centrales (Barousse) montre que ce sont surtout les variations des conditions hydriques qui déterminent, sur un même substrat colluvial, les différentes unités stationnelles observées.
Jacqueline Mazars
doaj   +1 more source

Interspecific and interpopulation variation in individual diet specialization: Do environmental factors have a role?

Ecology, Volume 101, Issue 8, August 2020., 2020
Abstract Individual diet specialization (IS) has important community‐ and population‐level implications and its ecological drivers are actively investigated. Here, to test the hypothesis that local environmental conditions may influence IS in wild populations, we analyzed the stomach contents of 395 individuals from eight populations of five allopatric
Enrico Lunghi, Raoul Manenti, Fabio Cianferoni, Filippo Ceccolini, Michael Veith, Claudia Corti, Gentile Francesco Ficetola, Giorgio Mancinelli,   +7 more
wiley   +1 more source

Description de Nosopsyllus (N.) Atsbi n. sp. (Siphonaptera : Ceratophyllidae) d’Éthiopie et révision de l’espèce affine N. (N.) Incisus (Jordan & Rothschild, 1913) ; discussion biogéographique

Parasite, 2012
Nous décrivons un Nosopsyllus s. sto. nouveau du nord de l’Éthiopie, N. atsbi, montrant des ressemblances phylétiques avec N. incisus (Jordan & Rothschild, 1913), espèce cantonnée à la partie orientale de la région afrotropicale.
Beaucournu J.-C., Meheretu Y., Welegerima K., Mergey T., Laudisoit A.   +4 more
doaj   +1 more source

Mitochondrial ghost lineages blur phylogeography and taxonomy of Natrix helvetica and N. natrix in Italy and Corsica

Zoologica Scripta, Volume 49, Issue 4, Page 395-411, July 2020., 2020
Abstract Grass snakes are widely distributed across the Western Palearctic. Recent phylogeographic studies provided evidence that three distinct parapatric species exist. Two of these occur in Italy, Natrix helvetica and N. natrix, and a contact zone between both taxa has been suggested for north‐eastern Italy.
Nadine Schultze, Cäcilia Spitzweg, Claudia Corti, Michel Delaugerre, Matteo Riccardo Di Nicola, Philippe Geniez, Luca Lapini, Cristiano Liuzzi, Enrico Lunghi, Nicola Novarini, Orfeo Picariello, Edoardo Razzetti, Emilio Sperone, Luca Stellati, Leonardo Vignoli, Marika Asztalos, Carolin Kindler, Melita Vamberger, Uwe Fritz   +18 more
wiley   +1 more source

Performances de germination et de croissance de trois provenances du tamarinier (Tamarindus indica L.) en région Guinéo-Congolaise

Revue Marocaine des Sciences Agronomiques et Vétérinaires, 2021
Cet essai a été conduit en région Guinéo-Congolaise au Bénin afin d’évaluer la variation de l’aptitude des semences et des juvéniles du tamarinier à germer et à croitre en fonction des provenances écologiques.
Adandé Belarmain FANDOHAN, Isaac VITOEKPON, Akouègnon Ferdinand AYIMASSE, Dende Ibrahim ADEKANMBI   +3 more
doaj