Matching Items (15)
Filtering by

Clear all filters

42575-Thumbnail Image.png
Created2002-09
Description

Two additional sets of fact sheets that describe the threatened, endangered, and priority vulnerable species of Pima County. For each plant or animal there is a physical description and full color illustration. The habitat, range, diet, status, and history of each species is also outlined. These fact sheets will be

Two additional sets of fact sheets that describe the threatened, endangered, and priority vulnerable species of Pima County. For each plant or animal there is a physical description and full color illustration. The habitat, range, diet, status, and history of each species is also outlined. These fact sheets will be widely distributed through the youth participation program.

42734-Thumbnail Image.png
Created2000-07
Description

This study by DR. Philip Rosen stands as one of the most impressive, given the scope of the author's knowledge, and it is one of the most ingenious, given the proposed concepts for restoration and protection of native fish and frogs within the urban Tucson Basin.

42764-Thumbnail Image.png
Created2000-02
Description

The purpose of this report is to represent the different types of land stewardship in Pima County in a digital Geographic Information System cover and to update the evaluation of vegetative communities relative to these classes. A previous evaluation suggested that 24 percent of Pima County is in a reserve

The purpose of this report is to represent the different types of land stewardship in Pima County in a digital Geographic Information System cover and to update the evaluation of vegetative communities relative to these classes. A previous evaluation suggested that 24 percent of Pima County is in a reserve of some kind; the current evaluation now suggests 26.5 percent.

42608-Thumbnail Image.png
Created2001-12
Description

Conservation easements are becoming an important mechanism in Pima County for dealing with matters such as the establishment of mitigation banks and the negotiation of conservation commitments with federal environmental regulatory agencies. This tool will also assist in the implementation of the Ranch Conservation Element of the SDCP. Includes the

Conservation easements are becoming an important mechanism in Pima County for dealing with matters such as the establishment of mitigation banks and the negotiation of conservation commitments with federal environmental regulatory agencies. This tool will also assist in the implementation of the Ranch Conservation Element of the SDCP. Includes the verbatim proceedings of a workshop on conservation held on August 18, 2001.

42628-Thumbnail Image.jpg
Created2001-09
Description

Report is a review and compilation of existing data on water quality requirements of eight aquatic species. By identifying the water quality requirements of priority vulnerable species of concern, and assessing the quality of water that serves or might serve as potential habitat, we begin to understand which sources will

Report is a review and compilation of existing data on water quality requirements of eight aquatic species. By identifying the water quality requirements of priority vulnerable species of concern, and assessing the quality of water that serves or might serve as potential habitat, we begin to understand which sources will support priority aquatic species identified by the SDCP.

42638-Thumbnail Image.jpg
Created2001-05
Description

Exotic species and their effect on Pima County's aquatic environments have become a priority issue for those involved with managing aquatic ecosystems in eastern Pima County. Invasion of exotic aquatic species presents a major challenge when preserving and restoring native aquatic species in the region.

67392-Thumbnail Image.png
ContributorsSchoenwetter, James (Author)
Created1967
DescriptionPollen records from two features at site LA 9200 dated by correspondence with the Colorado Plateau Pollen Chronology.
67401-Thumbnail Image.png
ContributorsSchoenwetter, James (Author)
Created1969
DescriptionAbstract of paper presented at the annual meetings off the Society for American Archeology, 1969. The antiquity of certain sites in north-central Wisconsin may be predicted by the character of associated forest vegetation. The data also justify paleoecological hypotheses relevant to culture historical reconstructions.
67423-Thumbnail Image.png
ContributorsSchoenwetter, James (Author)
Created1976
Description
Study of the pollen of 4 surface and 41 stratigraphic and archaeological-context sediment samples was undertaken to provide independent evidence of the antiquity of sites LA 11828 and LA 11904, and of the hypothesis the two sites had the same cultural functions. The pollen record suggests the two sites differ

Study of the pollen of 4 surface and 41 stratigraphic and archaeological-context sediment samples was undertaken to provide independent evidence of the antiquity of sites LA 11828 and LA 11904, and of the hypothesis the two sites had the same cultural functions. The pollen record suggests the two sites differ in antiquity: the occupation horizon samples from LA 11828 correspond to others that date to the Historic Period, while those from LA 11904 correspond to others that date 1800 - 300 B.C. Palynological differences that are probably indices of seasonality of occupation argue for the sites having different cultural functions.
67367-Thumbnail Image.png
ContributorsSchoenwetter, James (Author) / Baglemann, Wilfred H. (Author)
Created1961
Description

Complacent pollen records associated with both extinct fauna and archaeological remains argues that Southwest has been semi-arid throughout Late- and Post-Pleistocene.