全文获取类型
收费全文 | 479篇 |
免费 | 2篇 |
国内免费 | 1篇 |
专业分类
安全科学 | 7篇 |
废物处理 | 15篇 |
环保管理 | 39篇 |
综合类 | 196篇 |
基础理论 | 89篇 |
环境理论 | 1篇 |
污染及防治 | 107篇 |
评价与监测 | 11篇 |
社会与环境 | 16篇 |
灾害及防治 | 1篇 |
出版年
2021年 | 7篇 |
2020年 | 7篇 |
2018年 | 5篇 |
2017年 | 15篇 |
2016年 | 5篇 |
2014年 | 10篇 |
2013年 | 19篇 |
2012年 | 18篇 |
2011年 | 22篇 |
2010年 | 11篇 |
2009年 | 16篇 |
2008年 | 28篇 |
2007年 | 18篇 |
2006年 | 16篇 |
2005年 | 16篇 |
2004年 | 14篇 |
2003年 | 4篇 |
2002年 | 11篇 |
2001年 | 9篇 |
2000年 | 4篇 |
1999年 | 4篇 |
1998年 | 6篇 |
1996年 | 4篇 |
1995年 | 5篇 |
1993年 | 5篇 |
1990年 | 4篇 |
1981年 | 6篇 |
1980年 | 5篇 |
1977年 | 4篇 |
1973年 | 6篇 |
1972年 | 6篇 |
1971年 | 4篇 |
1970年 | 4篇 |
1967年 | 6篇 |
1965年 | 5篇 |
1963年 | 6篇 |
1961年 | 4篇 |
1960年 | 5篇 |
1959年 | 7篇 |
1957年 | 5篇 |
1956年 | 9篇 |
1955年 | 10篇 |
1938年 | 3篇 |
1937年 | 3篇 |
1934年 | 4篇 |
1932年 | 3篇 |
1930年 | 3篇 |
1927年 | 3篇 |
1924年 | 3篇 |
1913年 | 3篇 |
排序方式: 共有482条查询结果,搜索用时 15 毫秒
481.
Chloé Schmidt Sean Hoban Margaret Hunter Ivan Paz-Vinas Colin J. Garroway 《Conservation biology》2023,37(4):e14064
The International Union for Conservation of Nature (IUCN) Red List is an important and widely used tool for conservation assessment. The IUCN uses information about a species’ range, population size, habitat quality and fragmentation levels, and trends in abundance to assess extinction risk. Genetic diversity is not considered, although it affects extinction risk. Declining populations are more strongly affected by genetic drift and higher rates of inbreeding, which can reduce the efficiency of selection, lead to fitness declines, and hinder species’ capacities to adapt to environmental change. Given the importance of conserving genetic diversity, attempts have been made to find relationships between red-list status and genetic diversity. Yet, there is still no consensus on whether genetic diversity is captured by the current IUCN Red List categories in a way that is informative for conservation. To assess the predictive power of correlations between genetic diversity and IUCN Red List status in vertebrates, we synthesized previous work and reanalyzed data sets based on 3 types of genetic data: mitochondrial DNA, microsatellites, and whole genomes. Consistent with previous work, species with higher extinction risk status tended to have lower genetic diversity for all marker types, but these relationships were weak and varied across taxa. Regardless of marker type, genetic diversity did not accurately identify threatened species for any taxonomic group. Our results indicate that red-list status is not a useful metric for informing species-specific decisions about the protection of genetic diversity and that genetic data cannot be used to identify threat status in the absence of demographic data. Thus, there is a need to develop and assess metrics specifically designed to assess genetic diversity and inform conservation policy, including policies recently adopted by the UN's Convention on Biological Diversity Kunming-Montreal Global Biodiversity Framework. 相似文献
482.
Mohammadi Azam Dobaradaran Sina Schmidt Torsten C. Malakootian Mohammad Spitz Jörg 《Environmental science and pollution research international》2022,29(50):75134-75160
Environmental Science and Pollution Research - Migration of emerging contaminants (ECs) from pipes into water is a global concern due to potential human health effects. Nevertheless, a review of... 相似文献