国家 | United States (contiguous states) | 生态系 | California Current |
地点 | Long Beach/Los Angeles Harbors (Impound Marina) | Depth | |
描述 | Year Intro. | 1984 | |
生活阶段 | not specified | unsexed | |
Quantitative | Unit | ||
Semi Quantitative | <100 | Unit | numbers/m^2 |
Qualitative | common | ||
年代 | 1997 - 1997 | 时期 | 1975-2000 |
日期 | 1997-03-20 00:00:00 - 1997-06-21 00:00:00 | Record Type | survey |
Record Type | survey | ||
Seasonal | 方法 | swept area | |
附注 | Species is common (approx. 1 individual/m^2) during spring of 1997 (dates assumed). |