Results 21 to 30 of about 56,650 (181)

Biologia da polinização e sistema reprodutivo de Passiflora coccinea Aubl. Em Manaus, Amazonas, Brasil1 [PDF]

open access: yesActa Amazonica, 2002
Foi estudada a biologia da polinização e o sistema reprodutivo de Passiflora coccinea uma Passifloraceae comum na região Amazônica, conhecida popularmente por maracujá-poranga ou tomé-assu.
Eliana Fernandez STORTI
doaj   +1 more source

Curtis\u27s botanical magazine. [PDF]

open access: yes, 1872
v.104=ser.3:v.34 (1878) [no.6337 ...
Bentham-Moxon Trust.   +10 more
core   +13 more sources

Marked decline in forest-dependent small mammals following habitat loss and fragmentation in an Amazonian deforestation frontier [PDF]

open access: yes, 2020
Agricultural frontier expansion into the Amazon over the last four decades has created million hectares of fragmented forests. While many species undergo local extinctions within remaining forest patches, this may be compensated by native species from ...
Palmeirim, Ana Filipa   +2 more
core   +1 more source

AMPLIFICAÇÃO CRUZADA DE PRIMERS SSR DE CAFEEIRO EM GENÓTIPOS DE ANTÚRIO

open access: yesRevista UniVap, 2017
Anthurium andraeanum Lindl. é uma espécie florística, de grande importância na diversificação da agricultura tropical. É a segunda flor tropical no mercado mundial, no entanto há uma dificuldade para a delimitação taxonômica do gênero.
Edilson Marques Junior   +4 more
doaj   +1 more source

L´impact des aires protégées et des utilisations anthropogènes du sol sur la regeneration des terrains boisés à Acacia dans l´est du Burkina Faso [PDF]

open access: yes, 2008
Regeneration success, persistence strategies (seedlings vs. coppicing), and population trend of Acacia spp. were tested under two land-use regimes in eastern Burkina Faso: (i) protected areas shielded to livestock grazing pressure, to logging, and using ...
Guinko, Sita   +4 more
core   +2 more sources

Evaluaci?n de la composici?n flor?stica, la estructura y la diversidad de tres bosques secos tropicales en el alto Magdalena, departamento del Tolima [PDF]

open access: yes, 2018
80 p. Recurso Electr?nicoSe evalu? la composici?n flor?stica y estructural de tres bosques secos tropicales en el alto Magdalena, ubicados en el sur-oriente (bosque La Flor), centro (bosque El Neme) y norte (bosque la Zorra) del departamento del Tolima ...
Fonseca Pe?a, Lina Mar?a   +1 more
core  

Effects of urbanisation and landscape heterogeneity mediated by feeding guild and body size in a community of coprophilous beetles [PDF]

open access: yes, 2020
Although the impacts of urbanisation on biodiversity are well studied, the precise response of some invertebrate groups remains poorly known. Dung-associated beetles are little studied in an urban context, especially in temperate regions.
Foster, Christopher W.   +3 more
core   +1 more source

Taxonomic treatment, geographic distribution and preliminar conservation status of Croton sect. Barhamia subsect. Barhamia (Euphorbiaceae) in Brazil

open access: yesNordic Journal of Botany, EarlyView.
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

SELEÇÃO E RECOMENDAÇÃO DE VARIEDADES DE MAMOEIRO: AVALIAÇÃO DE LINHAGENS E HÍBRIDOS [PDF]

open access: yesRevista Brasileira de Fruticultura, 2001
O centro de origem do mamoeiro é, muito provavelmente, o Noroeste da América do Sul - vertente oriental dos Andes, mais precisamente a Bacia Amazônica Superior - onde a diversidade genética é máxima, o que o caracteriza como uma planta tipicamente ...
JORGE LUIZ LOYOLA DANTAS   +1 more
doaj   +1 more source

Revitalizing endangered mycocultural heritage in Mesoamerica: The case of the Tlahuica‐Pjiekakjoo culture

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The preservation and revitalization of mycocultural heritage, developed over centuries of human‐mushroom interaction, contributes to safeguarding both natural ecosystems and the promotion of sustainable rural development, one of the biggest global challenges currently faced by humankind.
Elisette Ramírez‐Carbajal   +8 more
wiley   +1 more source

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