Results 81 to 90 of about 42,726 (282)
Species richness and beta-diversity of aquatic macrophytes assemblages in three floodplain tropical lagoons: evaluating the effects of sampling size and depth gradients [PDF]
, 2002 Using aquatic macrophyte data gathered in three lagoons of the Paraná River floodplain we showed a strong effect of sample size on species richness. Incidence-based species richness estimators (Chao 2, jackknife 1, jackknife 2, incidence-based coverage ...
Bini, L., Souza, D., Thomaz, S.
core
Boreas, EarlyView.The relationship between the climate and societal transformation in Maya lowlands has long been debated, particularly the role of drought in shaping the civilization trajectory during the Classic Period. A high‐resolution, multi‐proxy, geochemical record from Lake Kaná, located in the underexplored Uaymil region of the Yucatán Peninsula in Mexico ...
Haydar B. Martinez‐Dyrzo +5 more
wiley +1 more source
Acta Limnologica Brasiliensia, 2018 Aim A taxonomic study of the species of the genus Cosmarium Corda ex Ralfs (Desmidiaceae) was conducted in two lentic environments of the Upper Paraná River Floodplain (Garças and Patos lakes). Methods The samples were collected in November 2016.
Nicolli Cristina Osório +7 more
doaj +1 more source
Boreas, EarlyView.Understanding the course and dynamics of ancient river systems, such as the pre‐Odra, provides valuable insights into the post‐glacial evolution of landscapes and riverine processes. The northwest‐trending pre‐Odra was an important drainage system of the European mainland into the Baltic Basin during and after the Scandinavian Ice Sheet retreat ...
Maryse C. Schmidt +4 more
wiley +1 more source
Boreas, EarlyView.Map of Lower sediment (LS) thickness is a surrogate for the distribution of Thorncliffe Formation (TF) and ~75% of TF thickness from the slope of Niagara Escarpment east to Brighton. Inset images show the LS sequence at the Don Valleys brickyards (DVBY) and undeformed TF sand and gravel (~15 m) below Newmarket Till (NT) at sites L and Co.
David R. Sharpe +3 more
wiley +1 more source
Methane flux from the Central Amazonian Floodplain [PDF]
A total of 186 methane measurements from the three primary Amazon floodplain environments of open water lakes, flood forests, and floating grass mats were made over the period 18 July through 2 September 1985.
Bartlett, Karen B. +5 more
core +1 more source
Boreas, EarlyView.The Megalopolis Basin is located in the central Peloponnese (Greece), a region that is situated along one of the primary Pleistocene biogeographical corridors for intracontinental hominin migration. The basin comprises several hundred metres of Plio‐Pleistocene sediments alternating between clastics and lignites.
Ines J. E. Bludau +13 more
wiley +1 more source
, 1974 Two theories have been proposed to explain the formation of Grassy Lake. One attributes the formation of the swamp to earthquake; the other states that it is one of the many so-called oxbow lakes in the area.
Huffman, Robert Terry
core +2 more sources
Wetland restoration design modifications to mitigate climate change impacts at Delaware Water Gap National Recreation Area: A case study report [PDF]
, 2020 Historic temperature and precipitation trends, and their projected climate change effects, were used to inform the development of wetland design tactics to restore a 30-acre degraded wetland at Delaware Water Gap National Recreation Area.
Noon, Kevin F.
core
Bees (Hymenoptera: Apoidea) of the Chicago Area: Diversity and Habitat Use in an Urbanized Landscape [PDF]
, 2018 Bees (Hymenoptera: Apoidea) were collected at 24 sites chosen to represent the diversity of urban and natural habitats in the Chicago metropolitan area. Species richness was assessed for each site.
Molumby, Alan, Przybylowicz, Tomasz
core +2 more sources