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Methods & Software Papers 1

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(ECP and CTSP grantees, reports, and other sites of interest for conservation geograpy, mapping and GIS. Grantees are coded by program and year of grant at the end of their name/state, i.e. e91 means ECP grant in 1991. c=cstp, cm=ctsp-mac, cs=ctsp-software)

Scholarly papers and ESRI Conference Proceedings

(Legend: ESRI User Conference Papers list the title, then in parentheses "paper" or "abstract" plus the year. Other web-located papers list title, author if known, and excerpt.)

BioMapper-ArcView Version 3.0 - Extension for Species Distribution Mapping . (Paul Schreilechner BIOGIS Consulting HellbrunnerstraBe 34 A-5020 Salzburg, AUSTRIA Telephone: 43 662 452216 or 43 Fax: 43 662 452216 E-mail: . BioMapper an ArcView Version 3.0 extension was developed for the project "Water Mollusca Mapping in Salzburg, Austria". BioMapper includes a bundle of tools (Avenue scripts and Visual Basic forms) and a customized interface of ArcView Version 3.0. Species distribution data is stored in MSAccess....About the project: Freshwater snails and mussels in Salzburg Austria, were mapped. Many species of freshwater molluscs are dependent upon certain ecological situations. Biology, ecology, taxonomy, and the demands on habitats are well known in most species. They are not bound to a certain season (like many insects) and are usually found throughout the year. Former existence of species can be verified by the help of empty shells. There exist about eighty publications on the distribution of water molluscs in the region of Salzburg, most of them more than forty years old. Up to now 36 species of freshwater snails and 21 species of mussels have been described, whereby 28 of the snails and 15 of the mussels are cited in the Red List. One species (Unio crassus) has been extinct since the 1950's and 4 species have been imported to Salzburg within the last two decades. Goals of the project: Use of watermollusca as bioindicators, environmental planning and Bioinventar ZOODAT.

"BUILD"ing on to ArcView GIS with the Data Automation Kit (Submitted by Scott Barnwell, National Park Service MWSO-GIS) "Probably the best reason to add DAK to ArcView GIS is independence. Its tools allow one to import and edit a variety of data formats. "

GPS Referenced Aerial Video for Accuracy Assessment of a Small-Scale Landcover Map (1996 ESRI Conf. Paper, Douglas H. Kliman,Stuart E. Marsh, Rodrick A. Hay)...GPS referenced aerial video offers a means for rapidly acquiring large transect samples for use in a GIS. In this application, an accuracy assessment was performed to evaluate a 13 class AVHRR derived land-cover map of Arizona. A light aircraft was used with an oblique color video camera. GPS location was titled on each video frame. Land-cover class was interpreted from the video and plotted onto flight lines. The segmented flight lines were overlaid on the land-cover map and a coefficient of agreement calculated.

Geographical Information Systems, Remote Sensing Techniques, and GPS-Based Field Verification Methodologies for Mapping Vegetation Change at Chiricahua National Monument, Arizona (1996 ESRI Conf. Paper, Michael R. Kunzmann, Susan M. Skirvin, Peter S. Bennett, and Craig A. Wissler)...To assess vegetation change at Chiricahua National Monument, an ArcInfo-based GIS has been developed as well as a revised Brown, Lowe, and Pase vegetation classification system. The GIS and vegetation classification systems in conjunction with numerous remote sensing methodologies and computer-based automated field mapping techniques, have been indispensable tools in the process of creating an up-to-date vegetation map.

Improving Field Data Collection Through The Integration of ArcView 2.1 and GPS Technology (1996 ESRI Conf. Paper, Brian Biggs and Allan Falconer)...An application has been developed to facilitate real time electronic data collection that is spatially pinpointed using a Global Positioning System receiver in combination with the ArcView 2.1 GIS software package. Scripts were written in the Avenue programming language to pan and zoom GIS coverages to a point obtained from a GPS receiver. Further scripts allow the user to enter points, lines, or polygons and attribute them in real time with full error checking.

Integrating Aerial-Videography with ArcInfo for Satellite Image Interpretation and Accuracy Assessment in Vermont (1995 ESRI Conf. Paper, Joel Schlagel)...Both the usefulness and effectiveness of air-video image interpretation can be enhanced by integrating video imagery with other spatial databases in ArcInfo. A series of programs, shell scripts, and AMLs, were written to facilitate this process. The user interface allows control of video tape recorders, and the real-time display of the flight position on a workstation monitor.

The Integration of GIS and Image Processing Technology with Real-time Data Collection for Monitoring Wetland Restoration Projects (1995 ESRI Conf. Abstract, Deborah Fuller, John Barras, Lawrence R. Handley, Gregory D. Steyer, Steve Hartley, Wei Ji)...Site specific DCP measurements include such things as water level, water velocity, salinity, precipitation, turbidity, and dissolved oxygen. These data are transmitted to a centralized database via the Geostationary Operational Environmental Satellite (GOES) network. The SSC is conducting geographic information system (GIS) analysis and image processing support for monitoring of habitat conditions utilizing scanned and rectified aerial photography with digital landcover maps photo-interpreted from high resolution color-infrared aerial photography. DCP data platform locations and ground control points for habitat data are georeferenced using GPS. These data are stored in a central database, which links the temporal biological and digital spatial data.

Integration of GPS Locational Data in a GIS to Manage Native Plants, and Control Non-Native Invasive Plants, on Santa Catalina Island, Bushing, Dr. William W., Janet Takara and Herman Saldaña. "The Santa Catalina Island Conservancy is responsible for the ecological management of more than 42,000 acres (17,000+ ha) of high relief landscape. Identifying the ecologically significant factors determining native plant species distributions, and controlling the spread of invasive non-native plants, over such a large area is a difficult task. GIS provides the island-wide perspective necessary to address these important ecological issues. Recently the Conservancy initiated a long-term program to map native and non-native plant species locations in the field. This data is imported into an established enterprise GIS where the distributions may be visualized and statistically analyzed. Appropriate ecological management strategies for the conservation of native taxa, and the control of invasive non-natives, are determined based in part on this information. Handheld GPS receivers taken into the field by Conservancy employees and volunteers will be used to record the desired species locations as they are encountered either opportunistically or through systematic surveys. Once integrated with previously collected data, the distribution patterns for individual taxa may be analyzed relative to the topographic and environmental GIS data layers to determine any correlations, and give a better understanding of each taxon's ecological requirements to help the organization formulate its ecological management strategies. "

Inventorying and Mapping Wetlands on Naval Air Station, Fallon, Nevada: Utilizing Global Positioning Receivers, Photogrammetry Remote Sensing, and Geographic Information Systems (1995 ESRI Conf. Abstract, Anthony C. Curtis)...Today's technology provides the wetlands ecologist with the tools to not only take his digital planning maps, digital NWI maps and U.S. Geological Survey Digital Line Graphs (DLG) to the site, but to pin-point his precise position utilizing real-time differentially corrected GPS receivers onto these digital maps. With this technology, the ecologist can accurately delineate the wetlands boundaries, and conduct an inventory analysis without returning to his office. Naval Air Station Fallon, Nevada, was the subject installation for this study.

Linking GIS with Models of Ecological Risk Assessment for Endangered Species . (H. Resit Akcakaya, Applied Biomathematics 100 North Country Road Setauket, NY 11733, USA, Third International Conference on Integrating GIS and Environmental Modeling, at Santa Fe, New Mexico, on January 23, 1996. ) "A model that links GIS to models for viability analysis and risk assessment is applied to endangered species, including the Spotted Owl in the northwestern US, the Red-cockaded Woodpecker in Louisiana, and the California Gnatcatcher in Orange County, California. The model integrates landscape data on habitat requirements with demographic data to analyze risks of extinction, evaluate management options, and assess human impact on wildlife populations. "


All text by the respective organizations, January 2, 1997

Compilation & web design: Charles Convis, ESRI Conservation Program, April 2, 1996


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