Results 21 to 30 of about 22,577 (224)

Neutral‐based processes overrule niche‐based processes in shaping tropical montane orchid communities across spatial scales

open access: yesJournal of Ecology, Volume 111, Issue 8, Page 1614-1628, August 2023., 2023
High compositional turnover, even across habitats with the highest degree of human intervention, suggests that both forest‐dwelling and open‐habitat species do not easily disperse across habitats. Species dispersal is the major force of orchid community turnover and might be strongly dependent upon macroevolutionary processes and species life‐history ...
Edicson Parra‐Sanchez   +2 more
wiley   +1 more source

Disturbance‐specific behavioral responses of giant otters exposed to ecotourism and extractive activities

open access: yesAnimal Conservation, Volume 25, Issue 1, Page 15-26, February 2022., 2022
Behavioral responses of animals to human activity can vary by the type and intensity of disturbance. Giant otters foraged more successfully in protected areas, avoided research vessels in mined and fished lakes and showed tolerance to human presence when previously exposed to ecotourism.
A. Barocas   +8 more
wiley   +1 more source

Automated conservation assessment of the orchid family with deep learning

open access: yesConservation Biology, Volume 35, Issue 3, Page 897-908, June 2021., 2021
Abstract International Union for Conservation of Nature (IUCN) Red List assessments are essential for prioritizing conservation needs but are resource intensive and therefore available only for a fraction of global species richness. Automated conservation assessments based on digitally available geographic occurrence records can be a rapid alternative,
Alexander Zizka   +3 more
wiley   +1 more source

Notes of Orchids from Andalucía. II [PDF]

open access: yes, 2001
Notas de Orquídeas de Andalucia II. Palabras clave. Orchidaceae, Andalucía, Espana.Key Words.
Lowe, Michael R., Phillips, Ian
core   +4 more sources

Orquideas del Parque Estatal de Serra do Tabuleiro, S de Brasil [PDF]

open access: yes, 2015
Orchidaceae show a high diversity of species in Brazil, especially in the Atlantic Forest Biome. Over the course of a 12-month study in the State Park of Serra do Tabuleiro in Southern Brazil, collections were made of orchids occurring in areas of ...
Crespo Villalba, Manuel Benito   +3 more
core   +4 more sources

Monitoramento ambiental de área controlada para produção de orquídeas: caracterização sazonal das variáveis climáticas

open access: yesREVISTA PONTO DE VISTA, 2020
A Orchidaceae é uma das mais numerosas famílias vegetais entre as Angiospermas, sendo possível encontrar orquídeas em praticamente todas as regiões do mundo.
E. Nunes   +3 more
semanticscholar   +1 more source

Estructura y composición de la comunidad de orquídeas en dos zonas de la Reserva Natural “La Montaña del Ocaso” Quimbaya-Quindío

open access: yesRevista de Investigaciones Universidad del Quindío, 2009
Se realizó un estudio comparativo en la zona de guadual mixto y selva secundaria de la reserva natural “La Montaña del Ocaso”, evaluando la estructura y composición de la comunidad de orquídeas en relación con la vegetación asociada, dando como ...
Nhora Nitzanim Santa-Jiménez   +2 more
doaj   +1 more source

Diversidad de orquídeas en la isla de Hainan en China: distribución y conservación

open access: yesCollectanea Botanica, 2015
Las Orchidaceae se distribuyen ampliamente en muchos ecosistemas terrestres con excepción de las zonas polares y desérticas, y constituyen una suerte de «buque insignia» de la conservación biológica. Siendo como es la mayor isla tropical de China, Hainan
X. Y. Hu, J. Zhu, X. Q. Song, R. X. He
doaj   +1 more source

Seed size and viability: implications on the evolution and conservation of Phaius tankervilleae (orchidaceae) [PDF]

open access: yes, 2017
Phaius tankervilleae es una orquídea terrestre altamente apreciada como ornamental y medicinal, razón por la cual se encuentra en peligro de extinción en algunos países como Australia y Japón.
Duarte, Evelyn Raquel   +4 more
core   +4 more sources

Protocolo para germinação assimbiótica e desenvolvimento inicial de protocormos de orquídeas nativas do Cerrado brasileiro

open access: yes, 2020
Resumo Devido ao extrativismo, Orchidaceae apresenta elevada vulnerabilidade, necessitando de medidas para a conservação de suas espécies. Assim, objetivou-se determinar um protocolo para germinação e estabelecimento inicial de Cattleya nobilior ...
J. S. Soares   +2 more
semanticscholar   +1 more source

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