Baseline aquatic monitoring on Santa Rosa Island shows widespread reach‑scale impairment, high salinity and watershed clustering of communities A CSU Chico team reported CRAM and CSCI-based assessments on Santa Rosa Island indicating reach‑scale impairment at many sites, high conductivity and salinity consistent across island streams, and benthic communities that cluster by watershed. Presenters attributed impairment primarily to historical livestock grazing and natural island conditions.

A new study reveals alarming aquatic impairments on Santa Rosa Island, linking high salinity levels and habitat degradation to both historical grazing and natural conditions.

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