What is one of the major threats to forest ecosystems? A. 本高查从资知容果之用维较府究式本高查从资知容果之用维较府究式Conservation efforts.本高查从资知容果之用维较府究式本高查从资知容果之用维较府究式 B. 认眼全取院成明生据做先来米维求去农毛很认眼全取院成明生据做先来米维求去农...
This paper is a review that aims to analyse, in a brief and holistic manner, the main perturbations Earth forest ecosystems are currently facing, both the obvious (e.g. deforestation) and discrete/silent ones (e.g. defaunation) that have generally not yet been tackled strictly as ecological...
Plant invasion is a major threat to natural ecosystems, and mangrove forests are among the most threatened ecosystems in the world. However, since mangrove... SR Biswas,PL Biswas,LS Hasan,... - 《Forest Ecology & Management》 被引量: 0发表: 2018年 加载更多来源...
The Mekong Delta, one of Asia’s greatest deltas, is confronting multiple threats from various sources, inland, and at sea. They include climate change, extreme weather events, sea level rise, saline intrusion, and mainstream dams construction upstream a
Moose (Alces alces) play a major role in the dynamics of boreal forest ecosystems and are an important resource for subsistence users. Fire is a major disturbance of boreal forests in interior Alaska, but how the age and juxtaposition of fires affects the density and distribution of moose on ...
Long-term effects of historical heathland farming on soil properties of forest ecosystems Much of Europe's landscape has been converted from agricultural land to forest over the last 150 years. Previous land-use activities may have persistent ef... GV Oheimb,W H?Rdtle,PS Naumann,... - 《...
A random forest model showed that seasonal change rather than spatial variation was the most important predictor of the composition of soil ARGs. Together, these results constitute an advance in our understanding of the relative importance of spatial and temporal variability in shaping soil ARG ...
Clearing of natural ecosystems and land degradation due to unsustainable agricultural practices are becoming threats to the sustainability and productivity... RL Senanayake,UR Sangakkara,DKNG Pushpakumara,... - 《Tropical Agricultural Research》 被引量: 23发表: 2010年 Roles of riparian and secondary f...
Located in the central zone of the mixed coniferous (针叶的) and broad-leaved forest ecosystems in the temperate (温带的) zone of Asia,the park possesses splendid and attractive scenery(3) in different seasons.In addition,there are plentiful plant species well(4) ...
and muscle and gills of ten native fishes from two natural areas with different degree of protection in the Atlantic Rainforest, (2) to discuss potential origin of the elements related to the land use, and (3) to assess the human health risk for water and muscle fish consumption in general...