Results 111 to 120 of about 1,518 (216)

Pollination biology of large cardamom (Amomum subulatum) [PDF]

open access: yes, 2007
Amomum subulatum Roxb. (family Zingiberaceae) is the large cardamom of commerce cultivated in tropical wet evergreen forests of the Eastern Himalayas of India, Nepal and Bhutan.
Palatty , Allesh Sinu, Shivanna, KR
core  

Comparison between the Wheeler-Thanhauser Orchid Collection at Ball State University and the Orchid Collection Riyadh, Saudi Arabia [PDF]

open access: yes, 2015
The beauty, complexity as well as the implausible diversity of the orchid flowers are unrivaled in the world. Orchids can be found in the equatorial tropics as well as the arctic tundra.
Alrasheed, Wafa
core  

Where the risk is more intense: riparian forests keep the euglossine bees community most affected by anthropic disturbance in the Caatinga dry forest. [PDF]

open access: yes
Anthropogenic disturbances have drastic negative effects on the biodiversity, thereby also compromising the ecosystem service it provides. Bees are one of the key players since they provide essential pollination services for both natural and agriculture ...
MARIANO, A. M. C.   +5 more
core   +1 more source

THE ECOLOGY OF MUTUALISM [PDF]

open access: yes, 1982
Elementary ecology texts tell us that organisms interact in three fundamen­ tal ways, generally given the names competition, predation, and mutualism. The third member has gotten short shrift (264), and even its name is not generally agreed on.
Boucher, Douglas H.   +2 more
core   +1 more source

Methodological concerns and challenges in ecological studies with orchid bees (Hymenoptera: Apidae: Euglossina)

open access: yesBioscience Journal, 2012
The Neotropical orchid bees have been the focus of several ecological studies in the last four decades, mainly due to the ease of attracting males of their species to synthetic baits that simulate floral fragrances.
André Nemésio
doaj  

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