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  • 1
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    Utility of ERTS for monitoring the breeding habit of migratory waterfowl (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Waterfowl breeding-ground surveys conducted each year by the Bureau of Sport Fisheries and Wildlife extend over a vast region of the United States and Canada. Data from these surveys are used to estimate waterfowl production by means of a mathematical model. Counts of May and July ponds are some the variables used in this model. Annual production estimates are used to predict fall flights of ducks. This information is then used for establishing waterfowl hunting regulations. Work to date indicates that satellite remote sensing techniques hold considerable promise for the accurate and rapid assessment of waterfowl breeding habitat, especially changes in pond numbers and distribution. Development of an operational system utilizing satellite sensors as a primary source of data appears to be a realistic goal for the future.
    Keywords: LIFE SCIENCES (GENERAL)
    Type: NASA. Goddard Space Flight Center Third ERTS Symp., Vol. 2; p 102-115
    Format: text
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  • 2
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    Application of Remote Sensing Techniques for Appraising Changes in Wildlife Habitat (1971)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: An attempt was made to investigate the potential of airborne, multispectral, line scanner data acquisition and computer-implemented automatic recognition techniques for providing useful information about waterfowl breeding habitat in North Dakota. The spectral characteristics of the components of a landscape containing waterfowl habitat can be detected with airborne scanners. By analyzing these spectral characteristics it is possible to identify and map the landscape components through analog and digital processing methods. At the present stage of development multispectral remote sensing techniques are not ready for operational application to surveys of migratory bird habitat and other such resources. Further developments are needed to: (1) increase accuracy; (2) decrease retrieval and processing time; and (3) reduce costs.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Intern. Workshop on Earth Resources Surv. Systems, Vol. 2; p 260-288
    Format: application/pdf
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  • 3
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    Preliminary evaluation of ERTS-1 for determining numbers and distribution of prairie ponds and lakes (1973)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: ERTS-1 and aircraft multispectral data collected over a North Dakota test site during July 1972, are compared to evaluate the capability of the satellite sensors to detect numbers and distribution of prairie ponds and lakes. Recognition maps using ERTS-1, MSS 7 data are generated using a level slicing technique. Surface water areas larger than two acres are recognized, but ponds in the one-to two-acre range are detected only at random. The proportion estimation technique will improve the accuracy of area determination and small pond detection.
    Keywords: GEOPHYSICS
    Type: PAPER-W12 , NASA. Goddard Space Flight Center Symp. on Significant Results obtained from the ERTS-1, Vol. 1, Sect. A and B; p 801-808
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  • 4
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    Utility of ERTS for monitoring the breeding habitat of migratory waterfowl (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Since 1968 the Bureau of Sport Fisheries and Wildlife (BSF&W) and the Environmental Research Institute of Michigan have cooperated on developing applications of remote sensing to the management of migratory waterfowl. Basically, this work has been concerned with (1) the assimilation of data on surface water conditions so that the data can be used as an index of annual waterfowl production, and (2) the collection of data on land use and wetland quality so that a measure of habitat carrying capacity is obtained. To date, efforts have been directed toward utilizing ERTS to monitor surface water conditions. An example of a model used for predicting the annual production of mallards (Anas platyrhynchos) is presented. The data inputs to this model and the potential for acquiring these data using ERTS are described.
    Keywords: BIOSCIENCES
    Type: PAPER-E12 , NASA. Goddard Space Flight Center 3d ERTS-1 Symp., Vol. 1, Sect. B; p 1671-1686
    Format: text
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  • 5
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    Utilization of ERTS-1 for appraising changes in continental migratory bird habitat (1974)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The author has identified the following significant results. Information on numbers, distribution, and quality of wetlands in the breeding range of migratory waterfowl is important for the management of this wildlife resource. Using computer processing of data gathered by the ERTS-1 multispectral scanner, techniques for obtaining indices of annual waterfowl recruitment, and habitat quality are examined. As a primary task, thematic maps and statistics relating to open surface water were produced. Discrimination of water was based upon water's low apparent radiance in a single, near-infrared waveband. An advanced technique using multispectral information for discerning open water at a level of detail finer than the virtual resolution of the data was also successfully tested. In another related task, vegetation indicators were used for detecting conditions of latent or occluded water and upland habitat characteristics.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E75-10188 , NASA-CR-142337
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  • 6
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    Preliminary Evaluation of ERTS-1 for Determining Numbers and Distribution of Prairie Ponds and Lakes (1973)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: ERTS-1 data for identifying number and distribution of North Dakotas wetlands in waterfowl breeding grounds
    Keywords: GEOPHYSICS
    Type: E73-10266 , PAPER-W12 , NASA. Goddard Space Flight Center Water Resources; p 85
    Format: application/pdf
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