Results 111 to 120 of about 223,000 (283)

Simulated heat waves affected alpine grassland only in combination with drought [PDF]

open access: yes, 2015
The Alpine region is warming fast, and concurrently, the frequency and intensity of climate extremes are increasing. It is currently unclear whether alpine ecosystems are sensitive or resistant to such extremes.
Hans J. De Boeck   +10 more
core   +2 more sources

Climatic conditions, landscape, and habitat quality drive patch occupancy and larval density of a threatened mire butterfly

open access: yesInsect Science, EarlyView.
The Moorland Clouded Yellow (Colias palaeno) benefited from cattle grazing in three different ways by (i) fostering the nectar supply; (ii) enhancing rejuvenation of the host plant (Vaccinium uliginosum); and (iii) improving microclimatic conditions for successful development of the immature stages.
Florian Fumy   +3 more
wiley   +1 more source

Geological Substrate Is Related to Tooth Senescence and Population Dynamic: The Case Study of Alpine Chamois (Rupicapra rupicapra L.)

open access: yesIntegrative Zoology, EarlyView.
In Alpine chamois, the complete wear of the first molar coincides with the beginning of senescence and the progress of tooth wear on calcareous substrate is slower than the one on other substrates, increasing life expectancy. Thus, the first molar wear may actually be considered as an effective descriptor of senescence stage.
Roberta Chirichella, Marco Apollonio
wiley   +1 more source

Response of Plant Community Characteristics and Soil Factors to Topographic Variations in Alpine Grasslands

open access: yesPlants
Topography has an important influence on plant–soil relationships. However, research on plant–soil relationships in alpine grassland at the slope aspect and slope position scales is currently inadequate.
Qinyang Liang   +5 more
doaj   +1 more source

Can Wapiti (Cervus elaphus) Browsing Stimulate the Chemical Defense of Taxus cuspidata—A Case of Northeast China Tiger and Leopard National Park

open access: yesIntegrative Zoology, EarlyView.
We study that browsing by wapiti reduces the growth of saplings, and it develop chemical defenses to prevent themselves browsed again. These results reduce our concern about wapiti browse T. cuspidate saplings, and provide basic data for the study of the interaction between them, and also provide theoretical basis for the population restoration and ...
Jianan Feng   +3 more
wiley   +1 more source

Should we promote grassland ? A microeconomic analysis

open access: yes, 2002
Unfavourable or no incentives at all make the farmers use insufficient grassland areas, from the society's and economic efficiency's point of view. On the one hand the CAP premium encourage to exploit more crops and less grasslands than what real profit ...
European Grassland Federation, .   +2 more
core  

Resource Availability and Habitat Quality Drive Time‐Lag Effects in High‐Altitude Ungulate Distribution

open access: yesIntegrative Zoology, EarlyView.
Our analysis revealed that while climate strongly influenced species distributions, habitat change drove most observed delays in distribution responses. In terms of community ecology, dispersed communities exhibited shorter time lags than concentrated groups. Analyses of lag duration revealed a 5–6‐year distribution lag effect in high‐altitude ungulate
Lu Wang   +6 more
wiley   +1 more source

Grazing increased alpine grassland soil respiration rates on the Tibetan Plateau

open access: yesFrontiers in Soil Science
IntroductionGrazing activities were intensive in alpine grasslands and may alter the soil respiration rates across the Tibetan Plateau. However, grazed alpine grassland soil respiration rates and their underlying driving mechanisms remain unclear across ...
Yahui Mao   +5 more
doaj   +1 more source

Invasion Alters Plant and Mycorrhizal Communities in an Alpine Tussock Grassland

open access: yesOecologia
Abstract Plant invasions now impact even the world’s most remote ecosystems, including alpine zones, altering key mutualisms that affect ecosystem functions. Plant-mycorrhizal associations can be sensitive to invasion, but previous studies have been limited in the types of mycorrhizas examined, favouring invaders that host arbuscular ...
Moyle, DM, Deslippe, Julie
openaire   +2 more sources

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