نتایج جستجو برای: temperate climate

تعداد نتایج: 184589  

2017
Siyang Wang Xiaoting Xu Nawal Shrestha Niklaus E. Zimmermann Zhiyao Tang Zhiheng Wang

Analyzing how climate change affects vegetation distribution is one of the central issues of global change ecology as this has important implications for the carbon budget of terrestrial vegetation. Mapping vegetation distribution under historical climate scenarios is essential for understanding the response of vegetation distribution to future climatic changes. The reconstructions of palaeoveg...

Journal: :Ecology 2016
Laura M Ladwig Zak R Ratajczak Troy W Ocheltree Katya A Hafich Amber C Churchill Sarah J K Frey Colin B Fuss Clare E Kazanski Juan D Muñoz Matthew D Petrie Andrew B Reinmann Jane G Smith

Winter climate is expected to change under future climate scenarios, yet the majority of winter ecology research is focused in cold-climate ecosystems. In many temperate systems, it is unclear how winter climate relates to biotic responses during the growing season. The objective of this study was to examine how winter weather relates to plant and animal communities in a variety of terrestrial ...

2017
Thomas K Lameris Femke Jochems Alexandra J van der Graaf Mattias Andersson Juul Limpens Bart A Nolet

During spring migration, herbivorous waterfowl breeding in the Arctic depend on peaks in the supply of nitrogen-rich forage plants, following a "green wave" of grass growth along their flyway to fuel migration and reproduction. The effects of climate warming on forage plant growth are expected to be larger at the Arctic breeding grounds than in temperate wintering grounds, potentially disruptin...

In this study, for climate zoning and determining the effects of climate change on discharge of Jajrood River Basin, data from 9 available stations in Jajrood River Basin were used. In order to create climatic zones in the Jajrood River Basin, multivariate cluster analysis was used. To validate the data, discriminant analysis was employed. For investigating the effects of temperature and precip...

2004
Ronald Thresher Stephen R. Rintoul J. Anthony Koslow Chris Weidman Jess Adkins Craig Proctor

[1] Chemical analysis of deepwater octocorals collected at 1000 m depth off southern Australia indicates long-term cooling, beginning in the mid-18th century. This cooling appears to reflect shoaling of isotherms along the continental shelf, that can be related statistically, observationally and by modeling to increasing coastal seasurface temperatures, that in turn reflect a poleward extension...

2011
Lin-Na Ma Xiao-Tao Lü Yang Liu Ji-Xun Guo Nan-Yi Zhang Jian-Qin Yang Ren-Zhong Wang

BACKGROUND Both climate warming and atmospheric nitrogen (N) deposition are predicted to affect soil N cycling in terrestrial biomes over the next century. However, the interactive effects of warming and N deposition on soil N mineralization in temperate grasslands are poorly understood. METHODOLOGY/PRINCIPAL FINDINGS A field manipulation experiment was conducted to examine the effects of war...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2014
Evan M Rehm

The recent paper by Freeman and Class Freeman (1) adds to a growing body of literature documenting the upslope distributional shifts of tropical montane species in response to climate change. Armed with just a handful of studies from the tropics, the authors compare upslope shift rates between tropical and nontropical species and conclude that tropical species are, on average, shifting their di...

2016
L. A. Ashton A. Nakamura C. J. Burwell Y. Tang M. Cao T. Whitaker Z. Sun H. Huang R. L. Kitching

South-western China is widely acknowledged as a biodiversity 'hotspot': there are high levels of diversity and endemism, and many environments are under significant anthropogenic threats not least climate warming. Here, we explore diversity and compare response patterns of moth assemblages among three elevational gradients established within different climatic bioregions - tropical rain forest,...

2013
Nicholas A. Fisichelli Peter B. Reich N. A. Fisichelli

Temperate and boreal forests are forecast to change in composition and shift spatially in response to climate change. Local-scale expansions and contractions are most likely observable near species range limits, and as trees are long-lived, initial shifts are likely to be detected in the understory regeneration layers. We examined understory relative abundance patterns of naturally regenerated ...

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