Results 71 to 80 of about 1,475,092 (223)

Complementary Hotspots of Vegetation Diversity in Andean Patagonian Forests

Diversity and Distributions, Volume 32, Issue 10, October 2026.
ABSTRACT Aim Examining spatial relationships among three vegetation diversity metrics—species richness (S), rarity‐weighted richness (RWR) and local contribution to beta diversity (LCBD) as a measure of compositional uniqueness and quantifying the spatial congruence of their hotspots to assess conservation value.
Natalia Z. Joelson, Thomas Kitzberger, Helge Walentowski   +2 more
wiley   +1 more source

Dark diversity of flea (Siphonaptera) assemblages in South American rodents: Latitudinal and altitudinal gradients

Ecological Entomology, Volume 51, Issue 5, Page 983-992, October 2026.
The dark diversity of compound flea communities increased from north to south. The dark diversity of compound flea communities increased from lower to higher altitudes. The dark diversity of component flea communities also increased from north to south but did not vary with altitude.
Juliana P. Sanchez, M. Fernanda López Berrizbeitia, Boris R. Krasnov   +2 more
wiley   +1 more source

Niche Divergence in the South American Freshwater Crustacean Aegla Provides Insights Into Its Diversification

Ecology and Evolution, Volume 16, Issue 9, September 2026.
We investigated niche divergence among Aegla clades of freshwater crustaceans from southern South America. Results show distinct climatic preferences with low overlap, rejecting conservatism and linking ecology to diversification, highlighting niche divergence driving freshwater biodiversity.
Gislaine Puli, Álvaro Augusto Mainardi, Héllen Sbruzzi, Sandro Santos, Marlise Ladvocat Bartholomei‐Santos   +4 more
wiley   +1 more source

Beobachtungen am Amazonas und Rio Negro [PDF]

Geographica Helvetica, 1959

openaire   +3 more sources

Pesquisas arqueológicas no médio rio Negro (AM)

Revista de Arqueologia, 1987
Ä pesquisa programada e financiada pelo PRONAPABA compreendia o trecho do rio Negro entre a fozdo rio Cuieiras e a cidade de Tomar, localizada entre os paralelos Oo 20'e 3" 25, S e os meridianos de 60" e 630 55' W.
F. Simões, Mario, Lucia M. Kalkmann, Ana   +1 more
openaire   +3 more sources

Informativo 2.0: pesca esportiva no médio rio Negro, Barcelos, Amazonas, Brasil [PDF]

Este livreto é um convite a você, leitor, para conhecer, apoiar e valorizar o turismo depesca esportiva realizado na Bacia do Médio Rio Negro – Amazonas, Brasil.
Lubich, Chiara, Siqueira-Souza, Flávia, Bernardino, Glenda, Freitas, Carlos   +3 more
core  

Análisis sismoestratigráfico y estructural del bloque Estación Fernández Oro, cuenca neuquina, provincia de Río Negro [PDF]

, 2018
Fil: Roberts González, Juan A. Universidad Nacional de Río Negro. Sede Alto Valle y Valle Medio; ArgentinaEl presente trabajo tuvo como objetivo realizar un análisis estructural y sismoestratigráfico del bloque Estación Fernández Oro (EFO) a partir de un
Roberts González, Juan A.
core   +1 more source

Geodiversidade do Alto Rio Negro

Somanlu: Revista de Estudos Amazônicos
O artigo parte da percepção da correlação dos elementos da geodiversidade com os  elementos cosmológicos indígenas do Alto Rio Negro, a partir de dois Kihti ukuse (narrativa ancestral) Yepamahsã (Tukano), e das obras do artista plástico Desana  Feliciano Lana.
Cisnea Menezes Basilio, Raimundo Humberto Cavalcante Lima   +1 more
openaire   +1 more source

Annual report of the Hampton Negro Conference [serial].

, 1905
Mode of access: Internet.Continues: Hampton Negro Conference. Proceedings of the Hampton Negro Conference; earlier: Hampton Negro Conference.
Hampton Negro Conference.
core  

El proceso colonial en el alto Orinoco Rio Negro (siglos XVI a XVIII) [PDF]

, 1988
El proceso colonial en el alto Orinoco Rio Negro (siglos XVI a XVIII) Mariano Useche Losada. Fundación de lnvestigaciones Arqueolóclcas Nacionales. Banco de la Repúbllc:a. Bogotá, 1987. El libro del antropólogo Mariano Useche es resultado de una labor de
Baquero, Alvaro
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