Results 131 to 140 of about 47,996 (245)

Factors driving seed dispersal in a Neotropical river-floodplain system

open access: yesActa Botânica Brasílica
Dispersal is a key process affecting the diversity of natural communities. We addressed hydrochory of wetland plant seeds in the Middle Paraná River floodplain. We first studied seed dispersal by drifting macrophytes in the Paraná River main channel (MC),
Florencia Facelli Fernández   +2 more
doaj   +1 more source

Spatial and seasonal distribution of chromophoric dissolved organic matter in the Upper Paraná River floodplain environments ( Brazil) Distribuição espacial e sazonal da matéria orgânica dissolvida cromófora em ambientes da planície de inundação do alto rio Paraná (Brasil)

open access: yesActa Limnologica Brasiliensia, 2011
AIM: Our aim was to identify dissolved organic matter (DOM) main sources in environments of the Upper Paraná River floodplain and their seasonal and spatial variation. METHODS: Ultraviolet-visible and fluorescence spectroscopy were utilized.
Mariana Carolina Teixeira   +2 more
doaj  

University-Community Collaboration for Climate Justice Education and Organizing: Partnerships in Canada, Brazil, and Africa [PDF]

open access: yes, 2017
In the coming decades, countries around the world will face increasingly severe challenges related to global climate change. While the details vary from country to country, the impacts will be especially grave for marginalized people, whose access to ...
Perkins, Patricia E. (Ellie)
core  

Land cover change explains the increasing discharge of the Paraná River. [PDF]

open access: yesReg Environ Change, 2018
Lee E   +6 more
europepmc   +1 more source

Ergasilus holobryconis sp.n., a crustacean parasite of Holobrycon pesu (MÜLLER & TROSCHELL), a fish from the Brazilian Amazon (Copepoda: Poecilostom-atoida: Ergasilidae)

open access: yes, 1986
The female of Ergasilus holobryconis n. sp. (Copepoda: Poecilostomatoida: Ergasilidae) is described from the branchial cavities of an Amazon fish, Holobrycon pesu (MÜLLER & TROSCHELL) collected in the Ji-Paraná (Machado) river, tributary of Madeira river,
de Oliveira Malta, J., Varella, A.
core  

Odonata de los Esteros del Iberá (Corrientes, Argentina): inventario preliminar y biodiversidad [PDF]

open access: yes, 2008
A preliminary inventory of the Odonata from Iberá Wetlands and their area of influence (Corrientes, Argentina) is presented. Different kinds of environments were surveyed in seven localities.
Garré, Analía   +7 more
core   +1 more source

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