Results 141 to 150 of about 100,549 (352)
Four new Indigofera (Fabaceae: Indigofereae) species from the Greater Cape Floristic Region
B. du Preez +5 more
openalex +1 more source
Abstract High Andean grasslands are vulnerable to changes in their nutritional quality and carbon sequestration capacity, especially in grazing systems. This study evaluated soil quality and native grasses by measuring carbon, physicochemical parameters, and the nutritional quality of predominant species in the wet Puna of Junín, Peru.
Alberto Arias‐Arredondo +5 more
wiley +1 more source
RESUMO Realizou-se o levantamento das angiospermas presentes em um trecho de floresta ciliar, adjacente ao rio Mandassaia (12º33'S e 41º25'W), pertencente à bacia Santo Antônio e situado no município de Lençóis, Bahia. O objetivo foi conhecer sua flora e
Alexandre Antunes Ribeiro-Filho +2 more
doaj +1 more source
Sca0pest pesticide-free agroforestry cropping system: effects on weed communities [PDF]
N/
François, M.
core
Phylogeographical studies of Amazonian birds have revealed large intraspecific diversity, even within recognized areas of endemism. To understand the origin and organization of Amazonian diversity, including the influence of current and historical landscapes, we need to evaluate fine‐scale patterns of genetic diversity in relation to detailed ...
Affonso Henrique Nascimento de Souza +4 more
wiley +1 more source
Achillea X javorkae Prod. (= clypeolata x setacea); Campanula glomerata L. ssp. Hispida(Witas) Hay. F. parviflora; Lappula heteracantha (Ldb.); Polysticum X illricum (Borb) Hahne = lobatum x lonchitis; Trifolium X schwarzii K. wein in Allg. Bot. Zeitschrft.XV (1909) 35 = alpestre x medium.
openaire +1 more source
Forest ecosystem research in Hainich National Park (Thuringia) : first results on flora and vegetation in stands with contrasting tree species diversity [PDF]
A floristic description is presented of the study sites of the Research Training Group “The role of biodi-versity for biogeochemical cycles and biotic interactions in temperate deciduous forests”.
Bernhardt-Römermann, Markus +2 more
core
ABSTRACT We investigate the effect of ethnic diversity on occupational choices, particularly in care‐oriented occupations which are scarce in many high‐income countries. We use administrative data of all students in Switzerland to study two diversity dimensions: ethnic fractionalization and ethnic polarization.
Damiano Pregaldini +2 more
wiley +1 more source
FLORISTIC CONDITIONS IN THE STEPPIC ZONE
The Steppic zones are strong milieus with low and irregular rainfall, and Steppic vegetation and soil. However, there are always conditions that are favorable for the existence of a spontaneous flora in the edapho-climatic and anthropic stresses.
Madami Djamila +3 more
doaj +1 more source

