Results 81 to 90 of about 514,211 (311)

A key to the adult Costa Rican "helicopter" damselflies (Odonata: Pseudostigmatidae) with notes on their phenology and life zone preferences

Revista de Biología Tropical, 2001
We present a key to the Costa Rican species of Pseudostigmatidae, comprising three genera with the following species: Megaloprepus caerulatus, Mecistogaster linearis, M. modesta, M. ornata and Pseudostigma aberrans. Pseudostigma accedens, which may occur
Ingemar Hedström, Göran Sahlén
doaj  

Shading and Water Addition Alleviate the Elemental Limitations of the Early Restoration Community in a Stressful Environment

Plants
Shading and water addition are essential management measures to improve seed germination and early seedling survival; however, little is known about their effects on leaf stoichiometry and nutrient status. We established 90 plant communities with shading
Fajun Chen, Gaojuan Zhao, Youxin Shen, Hong Zhu, Zhenjiang Li, Beilin Tan   +5 more
doaj   +1 more source

Vegetation Dynamics in Ecuador [PDF]

, 2019
Global forest cover has suffered a dramatic reduction during recent decades, especially in tropical regions, which is mainly due to human activities caused by enhanced population pressures.
González-Jaramillo, Víctor Hugo
core   +1 more source

Extent, characteristics and policy applications of Key Biodiversity Areas

Biological Reviews, EarlyView.
ABSTRACT A global standard for the identification of Key Biodiversity Areas (KBAs) was published 10 years ago to provide a unified set of criteria for identifying ‘sites of significance for the global persistence of biodiversity’. We review the initiative's origins, the KBA identification process, characteristics of the current network, threats, policy
Stuart H. M. Butchart, Olivia Crowe, Tom Scott, Andrew J. Plumptre, Megan Eldred, Ellen McKee, Zoltan Waliczky, Ibrahim Al Hasani, Adrián B. Azpiroz, Daniele Baisero, Fred Barasa, Alison E. Beresford, Bezeng S. Bezeng, Charlotte Boyd, Thomas M. Brooks, Graeme Buchanan, Gill Bunting, Sofia Capellan, Neil Cox, Tim R. B. Davenport, Tammy E. Davies, Gina Della Togna, Wendy Elliott, Matt Foster, Jo Gilbert, Jonathan M. Handley, Diego Juffe‐Bignoli, Victoria R. Jones, Naomi Kingston, Jeannot Kivono, John Lamoreux, Penny F. Langhammer, James Lewis, Bruce Liggitt, Daniel Marnewick, Paul Matiku, Erin McCreless, Rachel A. Neugarten, Catherine Numa, Mark O'Brien, Madhu Rao, Ciara Raudsepp‐Hearne, Justina C. Ray, Samridhi Rijal, Jon Paul Rodríguez, Jurgis Sapijanskas, Wes Sechrest, Martin Sneary, Andrew Snyder, Konstantina Spiliopoulou, Thomas Starnes, Cecilia Tobar, Gautam Surya, Marcelo F. Tognelli, Andrew W. Tordoff, Maria G. Toscano, Yongyut Trisurat, Amy Upgren   +57 more
wiley   +1 more source

Which climate indices are relevant for predicting the response of tropical forests to future climate scenarios ? [PDF]

, 2012
Climate models predict a range of changes in the amazonian region, including increased frequency of extreme climatic events, increased average temperatures, increased atmospheric CO2 and reduced rainfall intensity.
Hérault, Bruno, Moore, Alana L., Rossi, Vivien, Wagner, Fabien   +3 more
core  

Carbon pools recover more rapidly than plant biodiversity in secondary tropical forests [PDF]

, 2012
Both REDD+ and the Convention on Biological Diversity aim to enhance carbon stocks and biodiversity through tropical forest restoration. However, we lack evidence of the effectiveness of such management. Using data from tropical forest chronosequence and
Bullock, James, Martin, Phil, Newton, Adrian   +2 more
core   +2 more sources

A roadmap to key traits of invasive Drosophilidae

Biological Reviews, EarlyView.
ABSTRACT Biological invasions have intensified in recent decades, mostly driven by international trade and travel, raising significant concerns, particularly regarding insect pests. Once non‐native species establish, they can disrupt natural ecosystem stability, undermine agroecosystem sustainability and cause substantial economic losses.
Gwenaëlle Deconninck, Bréa Raynaud‐Berton, Méghan Boulembert, Olivier Chabrerie, Aude Couty, Franck Dedeine, Patrice Eslin, Vincent Foray, Romain Georges, Patricia Gibert, Laurence Mouton, Sylvain Pincebourde, David Renault, Christelle Suppo, Hervé Colinet   +14 more
wiley   +1 more source

Do the rubber plantations in tropical China act as large carbon sinks?

iForest - Biogeosciences and Forestry, 2014
The regrowth of tropical secondary forests and plantations can not offset the carbon release caused by tropical deforestation, consequently determining net carbon losses on tropical lands.
Song Q-H, Tan Z-H, Zhang Y-P, Sha L-Q, Deng X-B, Deng Y, Zhou W-J, Zhao J-F, Zhao J-B, Zhang X, Zhao W, Yu G-R, Sun X-M, Liang N-S   +13 more
doaj   +1 more source

Heidi Asbjornsen Associate Professor of Natural Resources, COLSA, travels to Costa Rica [PDF]

, 2012
Experiential Student Learning and Collaborative Research: Understanding Tropical Ecosystem Response to Climate Change from Leaves to Landscapes. During January 2012, I traveled to Costa Rica to visit potential field sites for a future UNH J-term course ...
Asbjornsen, Heidi
core   +2 more sources

Classifying avian drinking behaviour: ecological insights and implications in a changing world

Biological Reviews, EarlyView.
ABSTRACT Water is a fundamental currency of life, and its availability significantly influences animal behaviour, physiology and distributions. However, our knowledge around the dependence on water for drinking and the direct and indirect mechanisms driving related behaviours remains partial in the context of changing climates. Here, we review patterns
Shannon R. Conradie, Marc T. Freeman
wiley   +1 more source