Results 51 to 60 of about 89,781 (236)
Zoologica Scripta, EarlyView.ABSTRACT Understanding Neotropical megadiversity remains challenging due to fundamental taxonomic issues, including identifying and describing cryptic species and their distribution, and the limited knowledge of key factors driving biological diversification. Such challenges are especially prominent in diverse clades with high levels of cryptic species,
Felipe Camurugi +10 more
wiley +1 more source
Fish fauna of the Río San Pedro and Río La Pasión, Usumacinta River Basin, Guatemala
Biota NeotropicaThe Río San Pedro and Río La Pasión lie within the Usumacinta River Basin, a globally significant center of freshwater fish diversity. Both rivers are listed among Central America’s top 50 regions for conserving freshwater biodiversity.
Yasmín Quintana
semanticscholar +1 more source
PLoS ONE, 2014 BackgroundRivers around the world are drying with increasing frequency, but little is known about effects on terrestrial animal communities. Previous research along the San Pedro River in southeastern AZ, USA, suggests that changes in the availability of
Kevin E McCluney, John L Sabo
doaj +1 more source
Gain-loss study of lower San Pedro Creek and the San Antonio River, San Antonio, Texas, May-October 1999 [PDF]
Open-File Report, 2002 Abstract : Five streamflow gain-loss measurement surveys were made along lower San Pedro Creek and the San Antonio River from Mitchell Street to South Loop 410 east of Kelly Air Force Base in San Antonio, Texas, during May October 1999. All of the measurements were made during dry periods, when stormwater runoff was not occurring and effects of ...
openaire +1 more source
Panama Canal Twenty-fifth anniversary 1914 - Aug. 15 -1939 [PDF]
, 1928 Leonard Carpenter Panama Canal Collection. Photographs: Views of Panama and the Canal. [Box 1] from the Special Collections & Area Studies Department, George A. Smathers Libraries, University of Florida.
Hardy, Rufus
core
Objects as Knowledgeable Elders: Lessons From the Reindeer Calf Halter Mȯnggu̇i
Museum Anthropology, Volume 49, Issue 1, Spring 2026.ABSTRACT This article presents ongoing research that reconnects a historical ethnographic collection housed in a European museum with the descendants of its source communities in the transnational Inner Asian region, specifically among the Tozhu and Tukha reindeer herders of the Tyva Republic and Mongolia.
Victoria Soyan Peemot
wiley +1 more source
Discordance Between Mitochondrial and Nuclear Contact Zones Within Antelope Ground Squirrels (Ammospermophilus) [PDF]
, 2020 A common biogeographic pattern found in many co-distributed species along the Baja California peninsula is the genetic divergence in the Vizcaíno Desert.
Gray, Shannon
core
Ostracode-based aminostratigraphy and aminochronology of a tufa system in central Spain [PDF]
, 2005 In the Priego area, central Spain, extensive tufa deposits are located in three small tributaries located at the head of the 1000 kmlong Tagus River. The deposits are originated after karst-origin running waters emerged from the confines of the canyons ...
Andrews +46 more
core +2 more sources
Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 2, February 2026.ABSTRACT Amphibians are facing large population declines as a result of both natural and anthropogenic threats. Reconstructing and understanding the composition and structure of amphibian communities is essential for developing effective monitoring and conservation strategies.
Alejandro Nistal‐García +4 more
wiley +1 more source
Helechos y afines del santuario de fauna y flora de Iguaque, Boyacá. Colombia
Acta Biológica Colombiana, 1996 The altitudinal distribution of 31 genera and 62 species of fems and allied plants has been studied along three transects in the Carrizal, Chaina and San Pedro sections.
Eduardo Barrera T. +2 more
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