搜索结果: 1-6 共查到“知识库 林业基础学科 population”相关记录6条 . 查询时间(0.156 秒)
Population Dynamics of Juniperus macropoda Bossier Forest Ecosystem in Relation to Soil Physico-Chemical Characteristics in the Cold Desert of North-Western Himalaya
cold desert soil nutrients biomass carbon density elevational ranges natural regeneration
2023/12/1
Juniperus macropoda is the only tree species of a cold desert ecosystem that is experiencing high anthropogenic pressure and has a poor regeneration status due to harsh environmental conditions. Due t...
We estimate an equilibrium model
of land clearing to study the impacts of roads and
population on deforestation in Thailand between
1976 and 1989. Population pressures were more
important in the N...
An assessment of the applicability of dung count to estimate the wild boar population density in a forest environment
accumulation defecation distribution faeces
2015/5/5
Wild boar is a native species in the fauna of the Czech Republic. It is becoming a problematic game
species both in the Czech Republic and in other European countries due to its harmful impacts. So ...
Estimation of Population of Ten Selected Forest Tree Species Used by Communities around Kalinzu Forest Reserve, South-Western Uganda
Communities Kalinzu Forest Reserve Line Transect Nested Quadrants Population Tree Species
2013/3/4
Local communities depend on Kalinzu Forest Reserve (KFR) for plant resources. This resource utilization affects the population of tree species in the forest. This study set out to estimate the populat...
Unequal Paternal Contribution in an Sugi (Cryptomeria japonica D. Don) Population Made by Mixed Pollen Using Microsatellite Markers
controlled pollination Cryptomeria japonica D.Don fertilization microsatellite markers
2009/8/28
We investigated paternal contribution in artificial crossed-populations made by mixed pollen from plus tree clones of Cryptomeria japonica D. Don in Niigata Prefecture. Using six polymorphic microsate...
A Reduction of Dung-beetle Community Diversity Caused by an Increasing Sika Deer Population in the Ohdaigahara Subalpine Plateau
biodiversity conservation dung supply evenness species diversity species richness
2009/8/24
The Ohdaigahara subalpine plateau has recently suffered deforestation caused by an increasing population of sika deer (Cervus nippon), which stripe the bark of many coniferous trees and browse seedlin...