Results 41 to 50 of about 5,675,552 (215)

The family "Thelypteridaceae" in Europe [PDF]

, 1983
Thelypteridaceae are mainly tropical ferns, the total number of species is about one thousand. The five European species represent five different groups, each of which has recently been accorded generic status.
Holtumm, R.E.
core   +2 more sources

Using incentive payments to promote human–carnivore coexistence

Conservation Biology, EarlyView.
Abstract For many large carnivores, minimizing the financial burden they impose on local people is critical to their conservation. Incentive‐based programs that provide people with financial benefits for taking pro‐conservation actions or achieving conservation goals are a promising tool for promoting human–carnivore coexistence. Although the number of
Adam Pekor, Ingela Jansson, Ololotu Munka, William Ole Seki, Sally Capper, Bernard Kissui, Göran Bostedt, Camilla Sandström, Dennis Rentsch, Travis Gallo   +9 more
wiley   +1 more source

A grandeza sai de cena

Revista Brasileira de História da Ciência
Este trabalho aborda um capítulo não publicado do livro As ideias fundamentais da matemática, do matemático, engenheiro e astrônomo brasileiro Manuel Amoroso Costa.
Rodrigo Rafael Gomes
doaj   +1 more source

Innovación en productos turísticos. Dark tourism: concepto, situación actual y casos de estudio [PDF]

, 2016
En este trabajo se conceptualiza la práctica del Dark Tourism (Turismo Oscuro), por el cual ha aumentado el interés en la literatura y por parte de los turistas en los últimos años.
Carrasco-Santos, Maria Jesus, Padilla-Melendez, Antonio   +1 more
core  

Geographic risks to functional groups of mammals and birds from habitat loss in Mexico

Conservation Biology, EarlyView.
Abstract There is a need to quantify the impact of habitat loss due to anthropogenic factors on different aspects of biodiversity, such as functional trait diversity represented by functional groups (FGs). We developed a metric to assess the weighted risk of loss of habitat for 33 FGs of mammals and 36 FGs of birds in Mexico based on potential ...
Fernando Mayani‐Parás, Francisco Botello, Claudia E. Moreno, Griselda Escalona‐Segura, Víctor Sánchez‐Cordero   +4 more
wiley   +1 more source

La naturaleza semiótica de los conocimientos numéricos: aportes al campo de la educación

Revista de Psicología, 2019
En este artículo planteamos que los sistemas semióticos (signos gestuales, lingüísticos, gráficos) no son solo distintos soportes del número sino que, en tanto elementos constitutivos de nuestra cognición, actúan como organizadores nucleares de los ...
Jimena Soledad Rodríguez, Eduard Martí, Analia Salsa   +2 more
doaj  

Pares evaluadores [PDF]

, 2018
Pares evaluadores del Volumen 21 Número 46 de 2018Pares evaluadores del Volumen 21 Número 46 de 2018Pares evaluadores del Volumen 21 Número 46 de ...
Económico, Semestre
core   +3 more sources

Monitoring small‐scale fisheries through participatory, app‐based surveys in the tropical archipelago of São Tomé and Príncipe

Conservation Science and Practice, EarlyView.
Small Island Developing States have limited capacity to monitor Small Scale Fisheries, despite their high dependence on marine resources. Participatory monitoring of Small Scale Fisheries can fill data gaps while integrating resource users into fisheries management.
Guillermo Porriños, Philip D. Doherty, Ana Nuno, Manuel da Graça, Edson dos Santos, Sinaida Espírito Santo, Katy Walker, Albertino Santos, Márcio Guedes, Lodney Nazaré, Tiago Capela Lourenço, Luisa Madruga, Litoney Matos, Berry Mulligan, Mafalda Navas, Rita F. Ramos, Nina da Rocha, Kristian Metcalfe   +17 more
wiley   +1 more source

RICHARD DEDEKIND Y LA ARQUITECTURA DEL CONTINUO ARITMÉTICO

Revista Brasileira de História da Matemática, 2020
É comum considerar que a tendência estruturalista matemática começa no século XX, em algum momento depois do trabalho sobre los fundamentos da teoria dos conjuntos e torna-se a sua propagação através do grupo Bourbaki.
Luis Giraldo González , Carlos Sánchez Fernández   +1 more
doaj   +1 more source

Satellite imagery fusion with an equalized trade-off between spectral and spatial quality [PDF]

, 2010
En este trabajo se propone una estrategia para obtener imágenes fusionadas con calidad espacial y espectral equilibradas. Esta estrategia está basada en una representación conjunta MultiDirección-MultiRresolución (MDMR), definida a partir de un banco de ...
Gonzalo Martín, Consuelo, Lillo Saavedra, Mario Fernando   +1 more
core   +1 more source