分面浏览：发表日期 |
| 当前检索式 | ((ALL：Human activities)) |
| 限定条件 | 无 |
共43条，第1-43条
| 2025 1 | 2024 45 | 2023 245 |
| 2022 458 | 2021 449 | 2020 450 |
| 2019 457 | 2018 477 | 2017 375 |
| 2016 418 | 2015 334 | 2014 288 |
| 2013 255 | 2012 246 | 2011 178 |
| 2010 167 | 2009 211 | 2008 170 |
| 2007 140 | 2006 140 | 2005 117 |
| 2004 74 | 2003 65 | 2002 45 |
| 2001 29 | 2000 18 | 1999 17 |
| 1998 9 | 1997 7 | 1996 9 |
| 1995 7 | 1994 7 | 1993 4 |
| 1992 5 | 1991 3 | 1990 4 |
| 1988 2 | 1987 2 | 1986 4 |
| 1984 1 | 1983 1 | 1981 1 |
| 1980 1 |