Geology topics

P.C. Rosen

Publications and source records attributed to P.C. Rosen.

7 recordsLinked to original sources

USGS2023

Sonoran desert tortoise: Gopherus morafkai

Sonoran Desert Tortoise Gopherus morafkai has most recently been assessed for The IUCN Red List of Threatened Species in 2019. Gopherus morafkai is listed as Vulnerable under criteria A2abce+4abce.

Arizona, Sonora↗

USGS1998

Herpetology of the Sulphur Springs Valley, Cochise County, Arizona

No abstract available at this time

Proceedings↗

USGS1998

Status of native and introduced species of aquatic herpetofauna at San Bernardino National Wildlife Refuge (SBNWR). Report to AGFD Heritage Program, Phoenix, and USDI Fish and Wildlife Service, SBNWR, Douglas, Arizona, on the joint project "Bullfrog impacts on native wetland herpetofauna."

No abstract available at this time

Report↗

USGS1996

Bullfrog impacts on sensitive wetland herpetofauna and Herpetology of San Bernardino National Wildlife Refuge

No abstract available at this time

Report↗

USGS1996

Ecology of the Mexican rosy boa and the Ajo Mountain whipsnake. Report to AGFD Heritage Program, Phoenix

No abstract available.

Report↗

USGS1995

Introduced aquatic vertebrates in the Chiricahua region: effects on declining native ranid frogs

No abstract available at this time

General Technical Report↗

USGS1988

Preliminary report on effect of bullfrogs on wetland herpetofaunas in southeastern Arizona

No abstract available at this time

Research Memorandum↗