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Título del libro: American Society For Photogrammetry And Remote Sensing - 20th Biennial Workshop On Aerial Photography, Videography, And High Resolution Digital Imagery For Resource Assessment 2005
Título del capítulo: Diagnosis and delimitation of a natural protected area using high-resolution multispectral images

Autores UNAM:
JORGE PRADO MOLINA; ARMANDO PERALTA HIGUERA;

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Autores externos:

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Idioma:

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Año de publicación:
2006

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Palabras clave:

Animal species; Buffer zones; Critical area; Differential GPS; High resolution; Image interpretation; Me-xico; Multi-spectral; Multispectral images; Pole location; Protected areas; Small area; Aerial photography; Conservation; Mapping; Maps; Photographic equipment; Remote sensing; Video recording; Ecosystems

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Resumen:

The last vestiges of the Pedregal de San Angel, a unique ecosystem that once occupied the south of the Valley of Mexico, lies inside the Campus of the University of Mexico. The area was produced by the eruption of the Xitle volcano 2,400 years ago, and today is the habitat of a high diversity of plant and animal species. Several of these are endemic to this small area and some are listed as very rare or endangered. A Reserve was created in 1983 to protect a part of this ecosystem and was last updated in 1996. However, the limits were ambiguously defined and the maps were obtained by methods that failed to meet minimal requirements. In order to identify and further prevent conflicts with other land uses, and to enhance conservation effectiveness by enlarging the Reserve, new cartography and accurate limits were required. Furthermore, an analysis of the Reserve showed that it was off-target in protecting critical areas, yet contained low conservation-value areas. Multispectral (visible, NIR) images obtained with airborne small-format digital cameras were used to detect and measure conflicts, and to identify well-preserved or recoverable areas outside the Reserve limits, suitable for integration to the nucleus or buffer zones. A highresolution orthomosaic was produced to layout new limits. Extensive fieldwork was carried out to verify image interpretation and limits, as well as to define limit pole locations, with high accuracy differential GPS. A GIS was created from these products and a map was published with the new limits.

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Entidades citadas de la UNAM:

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Fuente:


ISBN:
9781604236057
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Tipo de producto:
Conference Paper