1) ecological gap index(EGI)
生态差额指数
1.
This paper singles out the ecological footprint of cropland from 6 types of land use as study topic focusing on the regional differences in Jiangsu province,revises the ecological carrying capacity with productivity factor because land use efficiencies vary across regions,and uses ecological gap index(EGI) in place of ecological deficit or remainder to evaluate the ecological .
江苏省13个地市的生态差额指数都小于0。
2) ecological index
生态指数
3) RENI
生态位指数
4) Indicator Quota
指数定额
5) Ecological tension index
生态压力指数
1.
Based on the principle of ecological footprint,this research put forward three concepts which were ecological tension index,ecological occupancy index and ecological economic coordination index as indicators system of ecological safety assessment.
本文在生态足迹原理的基础上,提出生态压力指数、生态占用指数和生态经济协调指数3个概念,并将其作为生态安全评价的指标体系。
2.
Based on the principle of ecological footprint,ecological tension index and ecological occupancy index for the evaluation of ecological security are presented,and the standards of ranking are constituted.
在生态足迹原理的基础上,将生态压力指数作为生态安全评价的指标,同时制定了相应的指标等级划分标准,对青海省1985—2003年的生态足迹和生态承载力进行了测算,并利用生态压力指数及其等级划分标准对其生态安全进行了试评价。
3.
Ecological tension index and classification criteria were used to evaluate ecological safety of 147 countries in the world and some provinces,cities and counties of China.
在生态足迹原理的基础上,提出生态压力指数,并将其作为生态安全评价的指标,制定了相应的指标等级划分标准。
6) Ecological overloading index
生态超载指数
补充资料：优惠差额
优惠差额（Margin of Preference)系指相同产品的最惠国税率和优惠税率的绝对差别，而不是指这些税率的比例关系，例如：(1)最惠国税率是从价税36%，优惠税率是从价税24%，则优惠差额是从价税12%，而不是最惠国税率的三分之一；(2)如最惠国税率是从价税30%，优惠税率为最惠国税率的三分之二，则优惠差额为12%，(3)如果最惠国税率是每公斤2法郎，优惠税率是每公斤1.5法郎，则优惠差额是每公斤0.5法郎。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条