نتایج جستجو برای: subalpine

تعداد نتایج: 1257  

2015
Julia S. Nefedieva Pavel S. Nefediev Miroslava B. Sakhnevich Yuri V. Dyachkov

The distribution of millipedes along an altitudinal gradient in the south of Lake Teletskoye, Altai, Russia based on new samples from the Kyga Profile sites, as well as on partly published and freshly revised material (Mikhaljova et al. 2007, 2008, 2014, Nefedieva and Nefediev 2008, Nefediev and Nefedieva 2013, Nefedieva et al. 2014), is established. The millipede diversity is estimated to be a...

2015
S. P. Burns P. D. Blanken A. A. Turnipseed R. K. Monson

The effect of warm-season precipitation on the diel cycle of the surface energy balance and carbon dioxide at a Colorado subalpine forest site S. P. Burns, P. D. Blanken, A. A. Turnipseed, and R. K. Monson Department of Geography, University of Colorado, Boulder, Colorado, USA National Center for Atmospheric Research, Boulder, Colorado, USA 2B Technologies, Inc., Boulder, Colorado, USA School o...

Journal: :New Zealand Journal of Botany 1963

2006
Catherine Cunningham Niklaus E. Zimmermann Veronika Stoeckli Harald Bugmann

Limited knowledge is available about the growth of Norway spruce saplings related to spring climate, especially snow duration, in subalpine forests. The primary goal of this research was to quantify the relative importance of the direct and indirect drivers of growth for spruce saplings in subalpine forests that are related to spring climate. Two related, subordinate goals were to compare the s...

2008
Borislav V. Guéorguiev

A new wingless ground beetle, Calathus (Calathus) jakupicensis nov. sp. (type locality: subalpine zone of Karadzica Mt., Jakupica Massif, Macedonia) is described. The diagnostic characters of the species are defi ned and illustrated, making possible its recognition. The new species is eastern vicariant and adelphotaxon of C. (C.) ravasinii J. MÜLLER.

Journal: :Applied and environmental microbiology 2009
Cristiana Callieri Gianluca Corno Emanuele Caravati Serena Rasconi Mario Contesini Roberto Bertoni

In a deep, subalpine holo-oligomictic lake, the relative abundance of Archaea and Crenarchaeota, but not that of Bacteria, increases significantly with depth and varies seasonally. Cell-specific prokaryotic productivity is homogeneous along the water column. The concept of active Archaea observed in the deep ocean can therefore be extended to a deep oxic lake.

Journal: :Remote Sensing 2016
Yalin Wang Qiong Gao Ting Liu Yuqiang Tian Mei Yu

Shrubs have been reported to expand into grassland and polar regions in the world, which causes complex changes in ecosystem carbon, nutrients, and resilience. Given the projected global drying trend, shrubs with their superior drought resistance and tolerance may play more important roles in global ecosystem function. Shrubland exists in all of the climate zones in China, from subtropical to t...

2003
Eran Hood Diane M. McKnight Mark W. Williams

[1] We investigated how the source and chemical character of aquatic dissolved organic carbon (DOC) change over the course of the runoff season (May–November, 1999) in Green Lakes Valley, a high-elevation ecosystem in the Front Range of the Colorado Rocky Mountains. Samples were collected on North Boulder Creek from four sites across an alpine/subalpine ecotone in order to understand how the tr...

Journal: :International Journal of Geographical Information Science 2017
Fangyuan Yu Thomas A. Groen Tiejun Wang Andrew K. Skidmore Jihong Huang Ke-Ping Ma

Understanding the environmental factors determining the distribution of species with different range sizes can provide valuable insights for evolutionary ecology and conservation biology in the face of expected climate change. However, little is known about what determines the variation in geographical and elevational ranges of alpine and subalpine plant species. Here, we examined the relations...

2013
N. Legay F. Grassein T. M. Robson E. Personeni M.-P. Bataillé S. Lavorel

Subalpine grasslands are highly seasonal environments and likely subject to strong variability in nitrogen (N) dynamics. Plants and microbes typically compete for N acquisition during the growing season and particularly at plant peak biomass. During snowmelt, plants could potentially benefit from a decrease in competition by microbes, leading to greater plant N uptake associated with active gro...

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