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Updated: Jan 11, 2026

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开发一个状态和趋势评估漂浮的海藻棚跨越大地理区域

Christina A Frieder1, Tom W Bell2, Helen Berry3

  • 1Southern California Coastal Water Research Project Authority, Costa Mesa, California 92626, United States.

Environmental science & technology
|November 13, 2025
PubMed
概括

一个新的凯尔普指标跟踪美国西海岸森林状况. 尽管最近有所改善,但海藻树冠仍然低于历史水平,这凸显了持续的管理需求.

关键词:
加利福尼亚州的电流系统.牛 鱼 鱼 鱼 牛 鱼巨大的鱼.这些指标是指标,是指标.树的树冠是树的树冠.报告卡的报告卡.

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Keystone Species01:39

Keystone Species

Measures of species biodiversity, such as richness (i.e., the number of species present) and evenness (i.e., their relative abundance), describe an ecological community’s structure. Many factors affect community structure, including abiotic factors (e.g., sunlight and nutrients), disturbances (e.g., fire or flood), species interactions (e.g., predation or competition), and chance events (e.g., foreign species invasion). Certain species—such as keystone species—also play a...
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