Amazon River
Amazon river dolphins (Inia geoffrensis) modify biosonar output level and directivity during prey interception in the wild
... that Amazon river dolphins [boto, Inia geoffrensis (Blainville 1817)] employ a low-power, high sampling rate biosonar as a likely adaptation to the often shallow and cluttered waters in which they hunt ...
12
Swath altimetry measurements of the main stem Amazon River: measurement errors and hydraulic implications
... international river basins, which contribute to greater than 50 % of global sur- face flows (Wolf et ...inland river and lake systems, including data from the European re- mote sensing (ERS) satellite, ...
17
Metagenomic and metatranscriptomic inventories of the lower Amazon River, May 2011
... lower Amazon River including the historic downstream gauging station, Óbidos, the clear water Tapajós tributary, and the three primary channels near the Amazon River ...
8
The Amazon continuum dataset: quantitative metagenomic and metatranscriptomic inventories of the Amazon River plume, June 2010
... For each station, metagenomes and non-selective meta- transcriptomes were each obtained in duplicate for two discrete size fractions (0.2 to 2.0 μm and 2.0 to 156 μm), while poly(A)-selective metatranscriptomes were ...
7
Dynamics of Primary Productivity and Oceanographic Parameters under Influence of the Amazon River Plume
... freshwater into the adjacent platform and oceanic region. The aim of this work was to analyze the distribution of oceanographic parameters, chloro- phyll a and primary productivity under the influence of the ...
17
Amazon river dolphins (Inia geoffrensis) use a high frequency short range biosonar
... The Amazon river dolphins, commonly known as botos (Inia ...shallow river channels, and seasonally, even in flooded forests (Best and da Silva, 1989; Martin and da Silva, 2004), suggesting that they, ...
11
Satellite Images Applied to Assess the Influence of Amazon River Seasonal Dynamic on the Floodplain Lake Morphology
... the Amazon River seasonal dynamic on floodplain lake ...the Amazon River floodplain reach encom- passed by the Madeira and Tapajós River ...
13
Sediment budget in the Ucayali River basin, an Andean tributary of the Amazon River
... Ucayali River into the Amazon ...the river main stream and adds to small contributions coming from northern Ucayali basin, where rainfall seasonality is less marked due to the South America monsoon ...
6
Past and present provenance of the Amazon River
... Local age spectrum similarity has never been directly evaluated for modern sediment but DeGraaff-Surpless et al. (2003) suggested that thorough mixing is not a safe assumption in fluvial deposits. If bedload ...
195
Johann Natterer's Linguistic Heritage
... the Amazon river in the present-day state of Amazonas: Marawá (Marauiá) and Katukina do Juruá (Schuruá), the latter not to be confused with the non- Arawak language of the same ...
22
Phenotypic and genotypic variations among three allopatric populations of Lutzomyia umbratilis, main vector of Leishmania guyanensis
... the Amazon River, Amazonas) and Manacapuru (south of the Amazon River) populations in this study could be related to changes in the course of the Amazon River ...the ...
10
Rural development and shifts in household dietary practices from 1999 to 2010 in the Tapajós River region, Brazilian Amazon: empirical evidence from dietary surveys
... This study was conducted in the community of Brasília Legal, located in the municipality of Aveiro (Fig. 1). The village was established in 1836 as a center of resistance and trading post during the Cabanagem social ...
12
Hydrologic benchmarking of meteorological drought indices at interannual to climate change timescales: a case study over the Amazon and Mississippi river basins
... for river discharge and as a benchmark for various meteorological drought indices (scPDSI, SPI, SPEI_th, and SPEI_hg ...(no river routing) com- parison between meteorological anomalies and their hydro- ...
11
The making of regional systems : the Tapajós/Madeira and Trombetas/Nhamundá regions in the lower Brazilian Amazon, seventeenth and eighteenth centuries
... the Amazon River, scholars have presumed that this area was the site of the largest and most significant societies in the region, relegating the rest of the Amazon basin to the status of wilderness ...
31
Ideas and perspectives: Carbon leaks from flooded land: do we need to replumb the inland water active pipe?
... the Amazon River; Wetzel (1992) named littoral wetlands of lakes as “metabolic gates” for nutrients and organic C between terrestrial and aquatic ...
16
An explicit GIS-based river basin framework for aquatic ecosystem conservation in the Amazon
... the Amazon floodplain is tidally influ- enced though river discharge prevents an invasion of saltwa- ter except during the lowest water period in the Marajó Bay area (Barthem and Schwassmann, ...the ...
11
Polyandrous behavior in an overexploited giant South American turtle (Podocnemis expansa) population in Central Amazon, Brazil.
... giant Amazon River turtle has been considered ecologically extinct from the Mamirauá Reserve, due both to considerable predation in past centuries and the low current number of spawning female turtles (only ...
10
Experiences in using the TMPA 3B42R satellite data to complement rain gauge measurements in the Ecuadorian coastal foothills
... There are important results related to the first category. For instance, in the arid environments of southern Africa, Nichol- son (2005) and Hughes (2006) reported that the TRMM data overestimated the rain gauge data in ...
11
Lift and drag performance of odontocete cetacean flippers
... Select hydrodynamic performance parameters for the cetacean flipper models tested 2 m s–1 swim speed match trials Common name scientific name catalogue number Amazon river dolphin Inia g[r] ...
10
The taxonomy and zoogeography of the family Trachyleberididae (Crustacea: Ostracoda) from the Equatorial Continental Shelf of Brazil
... the Amazon River, and the salinity is lower, especially in the rainy season; this is probably the reason for the absence of ostracods from this ...Parnaíba River Delta (Piauí State) to Cape São Roque ...
12