Results 31 to 40 of about 1,394 (139)

Detrital zircon typology and U/Pb geochronology for the Miocene Ladrilleros-Juanchaco sedimentary sequence, Equatorial Pacific (Colombia) : new constraints on provenance and paleogeography in northwestern South America [PDF]

open access: yes, 2017
Typology and internal texture analyses were performed on detrital zircons obtained from the Miocene sandstones of the Ladrilleros-Juanchaco sedimentary sequence (Colombia, Equatorial Pacific).
Barbosa-Espitia, A.A.   +5 more
core   +3 more sources

Aquatic insects associated to Eichhornia azurea (Schwartz) Kunth in wetlands of Atrato River, Chocó - Colombia

open access: yesRevista Colombiana de Ciencia Animal Recia, 2018
The objective of this study was to characterize the aquatic insect community associated with Eichhornia azurea (Schwartz) Kunth in four swamp of the middle and lower basin of the Atrato river (Chocó-Colombia) during high and low water periods; the ...
Zuleyma Mosquera Murillo
doaj   +1 more source

Portrait of the Upper-Middle Basin of the Atrato River, an approach fromenvironmental history

open access: yes, 2023
Introduction. This article presents an approach to the environmental history of the upper-middle basin of the Atrato River. Under the interpretive paradigm of the social sciences, the cultural notions around the River are taken as an object of study, whichallowed us to understand the bilateral relationship between nature and society in the territory ...
García Jurado, Mayra Alejandra   +3 more
openaire   +1 more source

Distribution of the Atrato slider Trachemys medemi, future projections under climate change scenarios and conservation insights

open access: yesOryx
The Atrato slider Trachemys medemi is a freshwater turtle endemic to the Atrato River basin in the Urabá region of north-west Colombia. Although there is limited information about the species, it was provisionally categorized as Vulnerable on the IUCN ...
Juliana Gaviria-Hernández   +2 more
doaj   +1 more source

Arc-continent collision and orocline formation: Closing of the Central American seaway [PDF]

open access: yes, 2012
Closure of the Central American seaway was a local tectonic event with potentially global biotic and environmental repercussions. We report geochronological (six U/Pb LA-ICP-MS zircon ages) and geochemical (19 XRF and ICP-MS analyses) data from the ...
Bayona, G.   +9 more
core   +2 more sources

Freshwater exchanges and surface salinity in the Colombian basin, Caribbean Sea. [PDF]

open access: yesPLoS One, 2017
Despite the heavy regional rainfall and considerable discharge of many rivers into the Colombian Basin, there have been few detailed studies about the dilution of Caribbean Surface Water and the variability of salinity in the southwestern Caribbean.
Beier E   +3 more
europepmc   +3 more sources

Ecological restoration in rights‐of‐nature laws and restoration as a substantive right of nature: challenges and opportunities

open access: yesRestoration Ecology, EarlyView.
Introduction A growing number of countries have adopted legislation that recognizes nature as a subject of rights. The purpose of many rights‐of‐nature laws is linked to restoring biodiversity and ecosystems. Consequently, an ecosystem's right to restoration has emerged as a substantive right of nature.
Mariam C. Kanyama
wiley   +1 more source

Global water scarcity: the monthly blue water footprint compared to blue water availability for the world's major river basins [PDF]

open access: yes, 2011
Conventional blue water scarcity indicators suffer from four weaknesses: they measure water withdrawal instead of consumptive water use, they compare water use with actual runoff rather than natural (undepleted) runoff, they ignore environmental flow ...
Hoekstra, A.Y., Mekonnen, M.M.
core   +3 more sources

Analysis of mangrove forest succession, using sediment cores: A case study in the cananéia -iguape coastal system, São Paulo-Brazil [PDF]

open access: yes, 2009
Sediment cores are an essential tool for the analysis of the dynamics of mangrove succession. Coring was used to correlate changes in depositional environments and lateral sedimentary facies with discrete stages of forest succession at the Cananeia ...
Cintron-Molero, G.   +9 more
core   +3 more sources

Recognizing the rights of nature in Colombia : the Atrato river case. [PDF]

open access: yes, 2020
Este artículo parte por analizar las condiciones de deterioro ambiental, que desde la Revolución Industrial se ha generado severos problemas no sólo para nuestras especies, sino también para todos los que habitan este planeta.
Cumbe Figueroa, Alexandra   +3 more
core   +2 more sources

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