منابع مشابه
Batrachopus from the southwestern United States, and a revision of some Early Mesozoic crocodylomorph ichnogenera
Introduction During the field season of 1983, a field party from the University of California investigated the faunas of the Kayenta and Moenave formations in northeastern Arizona, on lands of the Navajo and Kaibab-Paiute nations. This fieldwork was a continuation of paleontological, sedimentologic, and biostratigraphic reconnaissance of the region begun in 1981 and supported by grants from the...
متن کاملExploring Patterns of Burn Severity in the Biscuit Fire in Southwestern Oregon
Landscape mosaic of low to high canopy damage in hardwood (light green color) and conifer stands. Credit: Tom Spies. Summary Large wildfi res are important ecologically and economically, but their behavior and effects are not well understood, especially in the Klamath-Siskiyou region, which is characterized by a diversity of conifers and evergreen sprouting hardwoods, steep topography, variable...
متن کاملDead Wood and the Richness of Small Terrestrial Vertebrates in Southwestern Oregon
In southwestern Oregon, 24 mature forest stands were used to test the hypothesis that species richness of small terrestrial vertebrates is positively correlated with dead wood volume, and to compare dead wood loads between capture and non-capture sites for species encountered. Dead wood was separated into two components: coarse woody debris (CWD)—defined as down wood of any length ≥ 10 cm in di...
متن کاملComparison of ectomycorrhizas of Quercus garryana (Fagaceae) on serpentine and non-serpentine soils in southwestern Oregon.
The diversity of ectomycorrhizal communities associated with Quercus garryana on and off serpentine soils was compared and related to landscape-level diversity. Serpentine soils are high in magnesium, iron, and heavy metals and low in fertility. In plant communities on serpentine soils, a high proportion of flowering plant species are endemic. At three sites with paired serpentine and nonserpen...
متن کاملThe Mesozoic Lacustrine Revolution
The Mesozoic lacustrine revolution (MLR) represents a major evolutionary event in the continental realm (Cohen 2003 ). The decline in taxic diversity at the family level in lacustrine environments that took place during the late Paleozoic–Middle Triassic was reversed later in the Mesozoic, with diversifi cation seeming to have continued to the Quaternary, although potential biases may have affe...
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ژورنال
عنوان ژورنال: The Journal of Geology
سال: 1905
ISSN: 0022-1376,1537-5269
DOI: 10.1086/621253