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为探明大湄公河次区域植被净初级生产力(NPP)时空变化特征,基于GoogleEarthEngine(GEE)云计算平台,利用MOD17A3HGFNPP时序数据,采用线性趋势分析方法,分析了2001—2019年大湄公河次区域植被NPP的时空变化特征。结果显示:(1)2001—2019年间大湄公河次区域植被NPP总体较高,植被NPP年均值整体上变化趋势不显著,变化波动较大,且与年均温度有显著的负相关性...
Population dynamics of eight-toothed spruce bark beetle (Ips typographus[L.]) in the area of National Nature Reserve Praděd in 1998–2001
Ips typographus population dynamics management of Ips typographus NNR Praděd regulated disintegration
2015/2/6
The paper deals with the study of bionomics and population dynamics of Ips typographus (L.) in the area of the Praděd National Nature Reserve (NNR). Data were collected on the basis of detected feedin...
Vegetation changes in beech and spruce stands in the Orlické hory Mts. in 1951–2001
mountain forests beech and spruce stands plant cenology
2015/1/28
Plant cenological surveys on the basis of Braun-Blanquet’s seven-point scale were made on 34 research plots in the course of studies of vegetation changes in beech and spruce stands in the Orlické hor...
Forest Fragmentation and Its Potential Implications in the Brazilian Amazon between 2001 and 2010
Amazon Forest Fragmentation Forest Degradation Conservation
2013/3/4
In recent decades, human development pressures have results in conversions of vast tracts of Amazonian tropical rain forests to agriculture and other human land uses. In addition to the loss of large ...
西南林学院2001—2003年度科研专著统计。
In 2001 INBAR has achieved real progress in all its fields of activity, supported by substantial contributions from the Chinese Government, CanadaÕs International Development Research Center (IDR...
COMPARATIVE ANALYSIS OF POLLEN COUNTS OF CORYLUS, ALNUS AND BETULA IN SZCZECIN, WARSAW AND LUBLIN (2000–2001)
pollen grain pollen counts plant aeroallergens
2010/12/24
The aim of the study was to compare the airborne concentrations of allergenic pollen produced by three early flowering tree taxa (Corylus, Alnus, Betula) in the cities of Warsaw (central Poland), Lubl...