Sea Otters are a Keystone Species - Geography Realm
Keystone species are plants or animals whose presence in an ecosystem plays a crucial role in its health.| Geography Realm
Keystone species are plants or animals whose presence in an ecosystem plays a crucial role in its health.| Geography Realm
Landsat imagery and NDVI are used to monitor vegetation change, from invasive grass spread in rangelands to early stress detection in coastal marshes.| Geography Realm
The Alviso Slough in the San Franciso Bay is a restored salt marsh that lies in the path of the Pacific Flyway.| Geography Realm
