patch area造句
1. Indicators to evaluate landscape patterns include mean patch area, percentage of landscape, patch density, edge density, maximum patch index, landscape shape index, aggregation index.
2. It was learned from the patch area and the patch density that the fragmentation of farmland and garden plot is high, but it is low in the woodland.
3. With the increase of the average patch area, mean patch fractal dimension index increases slowly as a whole.
4. Several targets, such as patch number, average patch area, form index of patch, fragmentation index, sub-dimension, heterogeneity index of landscape and homogeneity index of landscape were studied.
5. The result shows that with the time passing, the patch numbers of different landscape types increased sharply and every mean patch area decreased.
6. Average boundary length and patch shape index have a multiple impact which can make the patch area and boundary number a very good linear relation during the expanding and contracting process.
7. Based on the remote sensing data, the dynamic changes of forest landscape patterns during 1985 and 2006 were analyzed using landscape pattern indices and landscape patch area of landscape ecology.
8. The shape index tends to increase with growth of the patch area.
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9. The GIS-aided landscape pattern analysis in this paper involves measuring patch area, perimeter, numbers of patches and landscape diversity by use of a number of landscape pattern indices.
10. Mining in Anshan mainly large-scale mining dominated, and the changes between patch area the decrease year by year.
11. The main factor which affects the green cover percentage and the distribution of patch area is the distribution of the large patches in parks.
12. Result showed that the landscape fragmentation degree of nation-owned regions with large patch area and low patch density was lower than that of collective regions.