搜索结果: 46-60 共查到“农学 climate”相关记录208条 . 查询时间(0.122 秒)
Response of Four Tree Species to Changing Climate in a Moisture-Limited Area of South Siberia
climate–growth relationships climate change drought stress Scots pine Siberian elm Siberian larch silver birch tree rings Vaganov–Shashkin model
2024/2/27
The response of vegetation to climate change is of special interest in regions where rapid warming is coupled with moisture deficit. This raises the question of the limits in plants’ acclimation abili...
Interactions between Climate and Nutrient Cycles on Forest Response to Global Change: The Role of Mixed Forests
drought N deposition species interactions ecosystem stoichiometry adaptive management
2024/3/5
Forest ecosystems are undergoing unprecedented changes in environmental conditions due to global change impacts. Modification of global biogeochemical cycles of carbon and nitrogen, and the subsequent...
Contrasting Response to Drought and Climate of Planted and Natural Pinus pinaster Aiton Forests in Southern Spain
climate change dendroecology drought forest decline maritime pine
2024/3/5
Reliable estimates of tree growth and wood yield are fundamental to support the management of restored forests and better reconcile the objectives of recovering biodiversity with the provision of ecos...
How much do climate fluctuations matter for global crop yields?（图）
climate fluctuations global crop yields
2019/10/23
The El Niño-Southern Oscillation, ENSO, has been responsible for recent widespread, simultaneous crop failures, according to a new study by researchers at Columbia University, the International F...
Does the net primary production converge across six temperate forest types under the same climate?
Carbon allocation Elemental stoichiometry Net primary production Nutrient availability Temperate forest
2024/3/8
Quantifying net primary production (NPP) and its allocation is essential for understanding and modeling the carbon (C) cycling in forest ecosystems. We used biometry-based measurements to examine the ...
'Ghost forests' show visible results of changes in climate（图）
Ghost forests results changes in climate
2019/10/30
Sea level rise will have the greatest impacts on rural land in places where knowledge is insufficient to best inform decisions about encroaching marshlands, according to a review published in the jour...
中国科学院南京土壤研究所在《Nature Climate Change》发表淡水养殖系统温室气体排放研究成果（图）
中国科学院南京土壤研究所 Nature Climate Change 发表 淡水养殖系统 温室气体 排放 研究成果
2019/3/7
自20世纪80年代以来，全球渔业捕捞量一直处于停滞状态，近55%的鱼类资源被过度捕捞。相反，全球鱼类消费量却呈现出持续增长的态势，从1960年代的人均消费10kg增加到2016年的20.4kg。全球食用鱼类产品的消费量年均增速达到3.2%，超过人口增长的速率（1.6%），也高于陆生动物来源的肉类消费增速（2.8%）。这很大程度上得益于水产养殖业的发展和贡献，据联合国粮农组织《2018年世界渔业和水...
Assessing the amount of soil organic matter and soil properties in high mountain forests in Central Anatolia and the effects of climate and altitude
forest soil topographic conditions climate model semi-arid regions Turkey
2017/6/26
The objectives of this study were to determine the amounts of soil organic matter (SOM) stored within surface soils of high mountain forests and how the SOM amounts are affected by aridity and altitud...
Ant Agricultural Revolution Began 30 Million Years Ago in Dry,Desert-like Climate
Ant Agricultural Revolution 30 Million Years Ago in Dry Desert-like Climate
2017/4/27
Millions of years before humans discovered agriculture, vast farming systems were thriving beneath the surface of the Earth. The subterranean farms, which produced various types of fungi, were cultiva...
Climate-induced seasonal activity and flight period of cerambycid beetles in the Zselic forests, Hungary
abiotic factors abundance Cerambycidae activity of adultS faunistic data
2018/3/6
The longhorn beetle fauna (Coleoptera: Cerambycidae) was studied in the Zselic region (Somogy county) in Hungary
in seven consecutive years (2009–2015). In total 2,931 specimens were observed and the...
Climate change prompts Alaska fish to change breeding behavior
Climate change Alaska fish change breeding behavior
2017/2/16
One of Alaska’s most abundant freshwater fish species is altering its breeding patterns in response to climate change. This could impact the ecology of northern lakes, which already acutely feel the e...
Warmer,wetter climate would impair California grasslands
Warmer wetter climate California grasslands
2016/9/12
Results from one of the longest-running and most extensive experiments to examine how climate change will affect agricultural productivity show that California grasslands will become less productive i...
China’s forest recovery shows hope for mitigating global climate change
China’s forest mitigating global climate change
2016/3/28
China’s sweeping program to restore forests across the country is working. The vast destruction of China’s forests, leveled after decades of logging, floods and conversion to farmland, has become...
Salt tolerance of spinach as related to seasonal climate
salt stress leafy vegetables gas exchange temperature
2016/3/11
Three sets of experiments with spinach (Spinacia oleracea L., cv. Racoon) were conducted under saline water irrigation during different time periods between December 7, 2012–June 15, 2013 to understan...
Projections of climate-induced future range shifts among fruit fly (Diptera: Tephritidae) species in Uganda
climate change dispersal Bacrocera
2016/2/22
The potential impact of future climate change on fruit fly species distribution was assessed in Uganda using two
general circulation models (HADCM and CCCMA) and two future predicted CO2 emission sce...