Results 31 to 40 of about 261,121 (233)

Entre el paraíso de la abundancia y el infierno del hambre: mitos y realidades

Cuadernos de Historia Moderna, 2015
Entre los sueños y la realidad, la tierra de Jauja, como Cucaña, era un país mágico insistentemente imaginado y buscado durante la Edad Moderna. En esta tierra fantástica no era necesario trabajar y el alimento era abundante.
María de los Ángeles Pérez Samper
doaj   +1 more source

Measures of tuna abundance from purse-seine operations in the Eastern Pacific Ocean, adjusted for fleet-wide evolution of increased fishing power, 1960-1971 [PDF]

, 1975
ENGLISH: The fishing power of the tuna purse-seine fleet of the eastern Pacific Ocean has increased since the early 1960's. Because the entire fleet seems to have adopted equipment and techniques to increase its efficiency in capturing tunas, traditional
Pella, Jerome J., Psaropulos, Christopher T.   +1 more
core  

Stable Isotope Analysis as a Tool to Prevent Illicit Wildlife Trade of Songbirds in Brazil

Animal Conservation, EarlyView.
Feather isotopes provide clear differences between wild and captive songbirds in Brazil. Combining multiple isotopes improved classification accuracy and revealed individuals falsely declared as captive‐bred. These results demonstrate the potential of isotope analysis to detect wildlife laundering in the bird trade.
Luiza Brasileiro, Fábio J. V. Costa, Paulo R. R. Ramos, Vladimir E. Costa, Gabriela B. Nardoto   +4 more
wiley   +1 more source

Composition and vertical distribution of metazoan meiofauna assemblages on the continental shelf off central Chile

Latin American Journal of Aquatic Research, 2015
A quantitative study of metazoan meiofauna was carried out in Valparaiso Bay (33°S 71°W) which is affected by seasonal hypoxia in central Chile. The contents of bottom water, dissolved oxygen (BWDO), organic carbon, chloroplast pigments and composition ...
Eulogio Soto, Williams Caballero, Eduardo Quiroga   +2 more
doaj   +1 more source

Presencia y abundancia de aves acuáticas en la Meseta Strobel, Patagonia, Argentina [PDF]

, 2009
La meseta Strobel, ubicada en la estepa patagónica, alberga más de 1500 lagunas que son utilizadas regularmente por aves acuáticas, incluyendo una de las principales poblaciones reproductivas del Macá Tobiano (Podiceps gallardoi), una especie endémica de
Lancelotti, Julio Lucio, Marquez, Federico, Pascual, Miguel Alberto, Pozzi, Luciana Melina, Yorio, Pablo Martin   +4 more
core   +1 more source

The collective application of shorebird tracking data to conservation

Conservation Biology, EarlyView.
Abstract Addressing urgent conservation issues, such as the drastic declines of North American migratory birds, requires creative, evidence‐based, efficient, and collaborative approaches. The abundance of over 50% of monitored North American shorebird populations has declined by over 50% since 1980. To address these declines, we developed a partnership
Autumn‐Lynn Harrison, Candace Stenzel, Alexandra Anderson, Jessica Howell, Richard B. Lanctot, Marley Aikens, Joaquín Aldabe, Liam A. Berigan, Joël Bêty, Erik Blomberg, Juliana Bosi de Almeida, Andy J. Boyce, David W. Bradley, Stephen Brown, Jay Carlisle, Edward Cheskey, Katherine Christie, Sylvain Christin, Rob Clay, Ashley Dayer, Jill L. Deppe, Willow English, Scott A. Flemming, Olivier Gilg, Christine Gilroy, Susan Heath, Jason M. Hill, J. Mark Hipfner, James A. Johnson, Luanne Johnson, Bart Kempenaers, Paul Knaga, Eunbi Kwon, Benjamin J. Lagassé, Jean‐François Lamarre, Christopher Latty, Don‐Jean Léandri‐Breton, Nicolas Lecomte, Pam Loring, Laura A. McDuffie, Rebecca McGuire, Scott Moorhead, Juan G. Navedo, David Newstead, Erica Nol, Alina Olalla‐Kerstupp, Bridget Olson, Elizabeth Olson, Julie Paquet, Allison K. Pierce, Jennie Rausch, Kevin Regan, Matthew E. Reiter, Amber M. Roth, Mike Russell, Daniel Ruthrauff, Sarah T. Saalfeld, Amy L. Scarpignato, Shiloh Schulte, Nathan R. Senner, Joseph A. M. Smith, Paul A. Smith, Zach Spector, Kelly Srigley Werner, Michelle L. Stantial, Audrey R. Taylor, T. Lee Tibbitts, Mihai Valcu, Nils Warnock, Walter Wehtje, Brad Winn, Michael B. Wunder   +71 more
wiley   +1 more source

Riesgos de la abundancia de liquidez

Revista del Instituto de investigación de la Facultad de minas, metalurgia y ciencias geográficas, 2023
El país ha sido impactado históricamente por alteraciones en la dinámica regular del clima ante variaciones de la temperatura, una de cuyas formas inmanentes es la excesiva liquidez hídrica, como término derivado del origen etimológico de lo líquido (estado físico del agua) y la importancia de su magnitud.
openaire   +1 more source

Estimation of the abundance of yellowfin tuna, Thunnus albacares, by age groups and regions within the Eastern Pacific Ocean [PDF]

, 1991
ENGLISH: Monthly estimates of the abundance of yellowfin tuna by age groups and regions within the eastern Pacific Ocean during 1970-1988 are made, using purse-seine catch rates, length-frequency samples, and results from cohort analysis.
Deriso, Richard B., Punsly, Richard G.
core  

Effects of landscape context on avian specialist response to increased surface temperature in protected areas

Conservation Biology, EarlyView.
Abstract Human development is a driver of global change and a major threat to biodiversity. Protected areas maintain and support biodiversity, but outside stressors, such as climate change and land use change, can negatively influence natural resources within protected areas.
Leah J. Rudge, Angela M. Holland, W. Gregory Shriver   +2 more
wiley   +1 more source

Studies on the Japanese long-line fishery for tuna and marlin in the Eastern Tropical Pacific Ocean during 1963 [PDF]

, 1966
ENGLISH: During 1963, the area of operation of the Japanese long-line fishery in the eastern Pacific further expanded, and total fishing effort increased.
Kume, Susumu, Schaefer, Milner B.
core