Results 51 to 60 of about 2,762 (117)
We evaluated whether climatic gradients or spatial structure better explain body size variation in the South American rattlesnake (Crotalus durissus) across its wide geographic range. After explicitly accounting for spatial autocorrelation, climatic variables were not significant predictors of body size in either sex, whereas sex‐specific spatial ...
Mileny Otani +3 more
wiley +1 more source
During the last decades, limnological studies on Chilean systems have contributed to know the species composition and main environmental variables of many water bodies distributed over a wide latitudinal interval, from 18º to 53º S.
J. PABLO OYANEDEL +4 more
doaj
Mammal defaunation leads to biotic homogenization of plant communities in tropical rainforests
Abstract Biotic homogenization is the process in which species communities become increasingly similar across different regions over time. This phenomenon has substantial ecological, evolutionary, and economic implications, primarily driven by human activities such as habitat destruction, invasive species introduction, and climate change.
Luiz Guilherme dos Santos Ribas +9 more
wiley +1 more source
The roots of Eichhornia crassipes provide different microhabitats for invertebrates, including substrate for the Asian invasive bivalve Limnoperna fortunei. This work evaluated the density and size structure of L. fortunei on the roots of E. crassipes in
Gabriela E. Musin +3 more
doaj +1 more source
Abstract All organisms contain carbon, nitrogen, and phosphorus in widely ranging amounts and proportions. Integrating existing datasets enables quantification of this variation at global scales. Such efforts could leverage ecological stoichiometry theory, the study of elemental supply and imbalances in ecological interactions, to connect ecological ...
Jessica R. Corman +82 more
wiley +1 more source
Abstract Climate change alters lake functioning, water quality, and aquatic biota; yet our understanding of this process is poor for deep tropical mountain lakes. A 15‐yr dataset (2010–2024) from Lake Atitlán, Guatemala, revealed climate change impacts on a tropical lake ecosystem and showed a warming trend of 0.34 ± 0.14°C per decade that intensified ...
Ovidio García‐Oliva +8 more
wiley +1 more source
Caracterización isotópica de las lagunas de Cañada del Hoyo (Cuenca)
El análisis químico e isotópico de las aguas de las lagunas, fuentes, pozos y el río Guadazaón en Cañada del Hoyo (Cuenca) permite evaluar la conectividad de los acuíferos y la dinámica hidrológica de las lagunas. Las lagunas están asociadas a acuíferos
Marcel-Saïd Galofré Penacho +5 more
doaj +1 more source
Descripción ambiental de la Laguna de Lobos, pcia. Bs.As
Periodic hydrologic and ecological alterations in the Lobos’s shallow lake in the last few years and concern and interest of intitutions and authorities, which both value the preservation of the place as a touristic, recreative and sportive resource ...
M. V. Pozzobon
doaj
Bibliografía de los peces de agua dulce de Argentina y Uruguay, 1967-1981
En el medio argentino que nos toca frecuentar, el de la Ciencia, padecemos de algunos excesos y de algunas carencias. Su cultivo, su desarrollo y su expresión adolece de una exigüidad alarmante de los caminos y medios de difusión. Tenemos escasas vías de
Hugo Luis López +2 more
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Se describe la variación espacial y temporal de la transparencia, la temperatura, el pH, la conductividad y el plancton en la laguna subtropical oligohalina Lobos (provincia de Buenos Aires, Argentina) y su afluente principal a lo largo de un ciclo anual.
Andrés Boltovskoy +4 more
doaj

