Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Paula M. Schiffman"'
Publikováno v:
Madroño. 58:69-77
Pentachaeta lyonii A. Gray is a state- and federally-listed endangered species, endemic to heavily invaded southern California grasslands. Recent population extirpations resulting in a decrease in range size have prompted investigation into the effec
Autor:
Sarah Kimball, Paula M. Schiffman
Publikováno v:
Conservation Biology. 17:1681-1693
Habitat managers use cattle grazing to reduce alien plant cover and promote native species in California grasslands and elsewhere in the western United States. We tested the effectiveness of grazing as a restoration method by examining the effects of
Autor:
Paula M. Schiffman
Publikováno v:
Biodiversity and Conservation. 3:524-537
Giant kangaroo rats (Dipodomys ingens) continually modify their burrow precincts by digging tunnels, clipping plants, and other activities. In the valley grasslands of the Carrizo Plain Natural Area (San Luis Obispo County, California), this chronic
Autor:
Paula M. Schiffman
Publikováno v:
California GrasslandsEcology and Management
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d00f67b8ef3f9f8ad3a252571b09321
https://doi.org/10.1525/california/9780520252202.003.0015
https://doi.org/10.1525/california/9780520252202.003.0015
Autor:
Paula M. Schiffman
Publikováno v:
Springer Series on Environmental Management ISBN: 9781461273424
Nonindigenous (NI) plants did not evolve in the ecosystems they colonize. Therefore, relationships that develop between NI plants and indigenous (IN) animals are evolutionarily and ecologically novel and may have unexpected community-and ecosystem-le
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71ba402db328303a627e9ab626a8f7d6
https://doi.org/10.1007/978-1-4612-1926-2_8
https://doi.org/10.1007/978-1-4612-1926-2_8
Autor:
W. Carter Johnson, Paula M. Schiffman
Publikováno v:
American Midland Naturalist. 127:258
Samples of leaf litter, humus and surface soil were collected from sites on six steep NE-facing slopes to determine the density and species composition of the buried seed bank on Brush Mountain (Jefferson National Forest, Montgomery Co., Va.) and its