搜索结果: 1-15 共查到“森林保护学 Forest”相关记录73条 . 查询时间(0.137 秒)
INVESTIGATION OF URBAN GROWTH EFFECTS ON FOREST AREA BY CREATING DIFFERENT SIMULATION SCENARIOS
Simulation Cadastre GIS Urban Growth
2018/4/18
It is necessary to keep urban growth under control according to the understanding of sustainable urban management in rapidly growing cities. In other words, sustainable urban management requires estim...
3-DIMENSIONAL PRE- AND POST-FIRE COMPARISON OF FOREST AREAS
Forest fire VHR satellite imagery orientation image matching DSM generation 3D change detection
2018/5/8
Forest agencies give special attention to forest fires where post-disaster loss can rarely be gauged in a quick and economic way unless an appropriate technology is adopted. Determination of the plani...
Efficiency of sector sampling for estimating juniper forest attributes vs. fixed area plot
accuracy crown cover density precision plot shape
2018/3/6
Juniper forests grow in mountain areas and many difficulties are encountered in their sampling. Sector sampling as
an unbiased and cost-effective method was tested for the sampling of a 12.5-ha junip...
Averting biodiversity collapse in tropical forest protected areas
biodiversity collapse protected areas
2015/11/13
The rapid disruption of tropical forests probably imperils global biodiversity more than any other contemporary phenomenon1–3. With
deforestation advancing quickly, protected areas are increasingly
...
MONITORING TROPICAL FOREST FROM SPACE: THE PRODES DIGITAL PROJECT
Terrestrial Monitoring Land Use Change Detection Segmentation Classification Forestry GIS
2015/7/29
This paper presents the results of a new methodological approach to identify and to estimate deforested areas. The work refers to the
PRODES DIGITAL PROJECT, which develops an automatic procedure to...
Comparison of different forest regeneration methods after windthrow
target tree species pioneer tree species
2015/5/5
The prosperity of various forest regeneration methods was evaluated on the prepared windthrow area
established in 2010 in a previously allochthonous coniferous stand growing in mid-elevations of the...
Infl uence of forest fragmentation on the distribution of small terrestrial mammals in fi r-beech commercial forest
Apodemus flavicollis Clethrionomys glareolus
2015/5/5
Differences in abundance and spatial distribution of small terrestrial mammals were compared between
the forest interior and clearing. In total, seven micromammalian species were detected. Of them, ...
Forest management and snag characteristics in Northern Iran lowland forests
biodiversity broadleaved forests
2015/5/5
Some snag characteristics were studied in three different Hyrcanian lowland forests. The highest snag
density (38.4 stem·ha–1) was found in fully protected forests, and it was significantly higher t...
Forest fires and their causes in the Czech Republic (1992–2004)
fire risk preventive measures occurrence burnt area season frequency
2015/4/24
Forest fires under conditions of the Czech Republic are evaluated from the aspect of their frequency of occurrence in 1992–2004 at a level of particular years, seasons, days and daytime, and causes of...
Spatial-temporal distribution of forest fires and fire weather index calculation from 2000 to 2009 in China
Sanming spatial-temporal distribution CFFDRS
2015/4/24
This paper describes the forest fire dynamics in the city of Sanming in Fujian province, China, from 2000 to 2009 with a view to understand the number of fires and burned areas in different counties. ...
Earthworm (Lumbricidae) assemblages of forest ecosystems in the anthropogenically
forest ecosystems Kienhaida Nature Reserve Kruš né hory Mts Lumbricidaace reforestation procedures
2015/3/27
Assemblages of earthworms were evaluated in spruce and beech stands in the Kienhaida Nature Reserve (Krušné hory Mts., Czech Republic) and its immediate surroundings, where site conditions were m...
Establishment and selected characteristics of the Hády coppice and coppice-with-standards forest research plot (TARMAG I)
biodiversity coppice coppice-with-standards conversion NATURA 2000
2015/3/27
The paper deals with the establishment of the coppice and coppice-with-standards research object under the project Biodiversity and Target Management of Endangered and Protected Species in Coppices an...
Does intraguild predation of Cosmia trapezina L. (Lep.: Noctuidae) influence the abundance of other Lepidoptera forest pests?
Cosmia trapezina intraguild predation Lepidoptera larvae time series
2015/3/27
The noctuid C. trapezina (CT) has been considered an occasional predator of other Lepidoptera larvae. Functional/numerical response of predator and/or prey was estimated using 27 years of time-series ...
Costs of basic methods of forest landmaintenance in protective zones of high-voltage power lines in the Czech Republic
Czech Republic forest lands high-voltage power lines maintenance costs
2015/3/20
The paper describes the basic potential methods and their costs of maintenance of forest lands in protective zones under high-voltage power lines (HVPL) 400 kV and 220 kV. In the present situation and...
Rodent-caused damage to forest trees from the viewpoint of forestry practice
bank vole bark damage field vole forest damage
2015/3/19
Small mammals cause serious damage to forests but there is only little knowledge of their ecology and possibilities of plantation protection. The objective of our study was to collect information on t...