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Establishing the Area to be Surveyed
Selection of sites
13 other sections not shown
amphibian populations amphibian surveys amphibians amphibians and reptiles anesthetic animal Appendix appropriate benzocaine binoculars biologists blood samples breeding Bufo Califomia capillary tube collected complete survey conﬁrm creek cryovials dBase deﬁne depth of ﬁeld difﬁcult dip nets drainage basin efﬁcient elevation ethanol Euthanizing evaluate ﬁeld ﬁeld crews ﬁle ﬁlm ﬁnd ﬁrst ﬁsh ﬂash foothill yellow-legged frogs formalin garter snakes habitat heparinized history stage identiﬁcation label lakes larvae liquid nitrogen locate Logical Logical Logical meadows Monitoring mountain yellow-legged frogs museum Nalgene name name name name with Thamnophis National Park Paciﬁc northwest pathology photographs ponds procedure protocol Rana Record reﬂect replace name replace replace replace salamanders scientiﬁc searching selected signiﬁcant slide species speciﬁc streams subadults sufﬁcient survey area Survey.dbf swab syringe tadpoles Technical Report techniques tissue samples toads topographic maps UTM coordinates vegetation vials voucher specimen yellow-legged frogs Yosemite Yosemite National Park Ziploc