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description:
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Monthly boat and walk-in osprey nesting surveys are conducted monthly throughout the summer by the TRPA, LTBMU, NDOW, and CA State Parks. These layers show all nests that were active* and inactive during the 2017 season. Both active and inactive osprey nests are protected under TRPA regulations. Only active nests are counted by TRPA as part of its' Threshold Standard for nesting osprey.Nest_Id: Please refer to the map located in F:\Research and Analysis\Wildlife\Data\Osprey\osprey nest area codes_legend.pdfNest_Status: A=Active; NA=No Activity ObservedNest_Status_Category: Active (P=osprey perched at or near nest structure; NB= osprey observed building an incomplete nest; I=osprey incubating; B=osprey brooding; PD=prey delivery); No Activity Observed (NG = nest gone - either blown out of tree or tree fallen over; NI = nest initiated - no osprey observed but new nest established or old nest built up; ND = nest dilapidated - no osprey observed; NO = nest complete - no osprey observed; NS = nest occupied by other species) |