Results 41 to 50 of about 23,399 (310)
Caatinga Albedo Preserved and Replaced by Pasture in Northeast Brazil
The caatinga is considered South America’s largest seasonally dry tropical forest (SDTF) and one of the most vulnerable endemic biomes in relation to climate change.
Alcindo Mariano Souza +2 more
semanticscholar +1 more source
Inventários rápidos realizados em diferentes pontos no sul do Ceará e oeste de Pernambuco em julho e setembro de 2004 encontraram um total de 209 espécies de aves.
Fábio Olmos +2 more
doaj +1 more source
ABSTRACT Tool use research has long made the distinction between tool using that is considered learned and flexible, and that which appears to be instinctive and stereotyped. However, animals with an inherited tool use specialisation can exhibit flexibility, while tool use that is spontaneously innovated can be limited in its expression and facilitated
Jennifer A. D. Colbourne +1 more
wiley +1 more source
Improving glass Ionomer performance through plant extracts: a systematic review of in vitro studies
Objective: This systematic review aimed to systematically map and synthesize the available evidence from in vitro studies on the modification of Glass Ionomer Cements (GICs) with plant extracts, with a specific focus on evaluating their effects on the ...
Israel Luís Diniz Carvalho +7 more
doaj +1 more source
The genus Croton (Euphorbiaceae) is an exceptionally megadiverse genus, encompassing roughly 1200 species that are predominantly distributed across tropical regions globally. For the New World, the genus is organized into three subgenera (Adenophylli, Geiseleria and Quadrilobi) and 31 sections, with C. sect. Barhamia standing out with its approximately
Nicolas Giovanny Burilli +2 more
wiley +1 more source
Avaliação da serapilheira em área de mata ciliar na bacia do rio Gurguéia sul do Piauí
Esse trabalho teve como objetivo avaliar ciclagem de nutrientes, através da deposição, estoque e decomposição de serapilheira em um remanescente de mata ciliar na Bacia do Rio Gurguéia.
Jaina Teresa Franco Costa +5 more
doaj +1 more source
Riparian Vegetation Structure in a Conservation Unit in the Semi-Arid Region of Paraíba, Brazil
This study aimed to carry out a phytosociological survey in a riparian area of an intermittent stream in the semi-arid region of Paraíba, Brazil. Fifty-one contiguous plots of 10 × 20 m (1.02 ha) were distributed along the watercourse.
Alecksandra Vieira de Lacerda +1 more
doaj +1 more source
Taxonomy and diversity of Marcgraviaceae, north of the São Francisco river, northeast Brazil
This study provides a comprehensive assessment of Marcgraviaceae species diversity north of the São Francisco river in northeastern Brazil, analyzing species richness and distribution patterns across 384 000 km² of phytogeographic domains. Through field collections, herbarium studies (both physical and digital), and detailed morphological analyses, we ...
Thales Carvalho +4 more
wiley +1 more source
O município de Mirandiba, Pernambuco, considerado prioritário para a conservação da caatinga, apresenta cerca de 25% das espécies de Leguminosae do bioma, sendo 23 espécies em 13 gêneros da subfamília Mimosoideae, das quais 6 espécies são endêmicas ...
Maria Teresa Buril +2 more
doaj +1 more source
Matas ciliares são florestas associadas a córregos, rios e lagos possuindo influência na proteção dos ecossistemas de ações antrópicas. O objetivo deste estudo foi identificar as alterações nas áreas de mata ciliar da Caatinga, a partir da sensibilidade ...
Ubiratan Joaquim da Silva Junior +3 more
doaj +1 more source

