Arizona proposes to assume authority over key provision of the federal Clean Water Act

Section 404 of the Clean Water Act, which protects the quality of U. S. waters, is currently administered by the U. S. Army Corps of Engineers (USACE). Under Section 404, developers, utilities, mining companies, and other entities working on construction projects such as dams, levees, highways, or mining, need a permit to discharge dredged . . . → Read More: Arizona proposes to assume authority over key provision of the federal Clean Water Act

ACS biologists present western yellow-billed cuckoo survey results at Arizona Field Ornithologists (AZFO) 2018 Annual Meeting

In October, ACS biologists Stephanie Cobbold and Laura Stewart attended the AZFO meeting in Ajo to present a poster describing the results of their 2018 western yellow-billed cuckoo surveys along the Upper San Pedro River for a bridge replacement project on State Route 80. The poster depicted 41 distinct cuckoo detections made over the . . . → Read More: ACS biologists present western yellow-billed cuckoo survey results at Arizona Field Ornithologists (AZFO) 2018 Annual Meeting

DNA reveals ancient parrot breeder supplied US Southwest peoples

Interesting article: https://arstechnica.com/science/2018/08/dna-reveals-ancient-parrot-breeder-supplied-us-southwest-peoples/

ACS Senior Pollen Analyst, Dr. John Jones, contributes chapter to new publication.

Dr. John Jones, ACS’ Senior Pollen Analyst has contributed a Chapter to the The Archaeology of Caribbean and Circum-Caribbean Farmers (6000 BC – AD 1500) An Introduction. As the abstract states “…This book is devoted to the archaeological study of precolonial farmers in the Caribbean and circum-Caribbean. Comprising 17 chapters, with a wide geographic reach stretching . . . → Read More: ACS Senior Pollen Analyst, Dr. John Jones, contributes chapter to new publication.

U.S. Fish and Wildlife Service proposes to delist lesser long-nosed bat

Based on input from biologists and climate change specialists, the U.S. Fish and Wildlife Service is proposing to delist the lesser long-nosed bat (Leptonycteris curasoae yerbabuenae). An evaluation of threats and an assessment of the bat’s long term viability suggest that threats to this species have been significantly reduced, such that it no longer . . . → Read More: U.S. Fish and Wildlife Service proposes to delist lesser long-nosed bat