|Table of Contents|

Analysis on Ecological Security of Soil and Water Resources Based on Improved Cloud Model

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年07
Page:
107-113
Research Field:
Publishing date:

Info

Title:
Analysis on Ecological Security of Soil and Water Resources Based on Improved Cloud Model
Author(s):
XU Dongyang1; YU Haoran1; REN Yongtai2; CHENG Kun2
(1.College of Engineering，Northeast Agricultural University，Harbin，Heilongjiang 150030;2.College of Science，Northeast Agricultural University，Harbin，Heilongjiang 150030)
Keywords:
entropy weight; cloud model; ecological security; agricultural water
PACS:
-
DOI:
10.11937/bfyy.20182983
Abstract:
Aiming at the ecological security problems caused by water and soil resources in Heilongjiang Province，an ecological safety evaluation system for water and soil resources was constructed.The indicators in the system were used as cloud droplets and cloud droplets to form cloud space，combined with the contribution rate of each index to ecological security，the status of ecological security of water and soil resources in Heilongjiang Province from 2003 to 2015 were studied.The results showed that the ecological security development of water and soil resources was W type，rising from level II (Dangerous level) to level III (Sensitive level).The economic system safety index was the lowest；the agricultural water use ratio，the agricultural industry output value of ten thousand yuan of water consumption and other indicators inhibited the ecological security construction of water and soil resources in the region.The indicators of construction land，cultivated land ecological index，industrial water use ratio，population density，natural population growth rate and tap water penetration rate have contributed significantly to the ecological security construction of water and soil resources in the region.

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Last Update: 2019-05-13