Results 111 to 120 of about 171,653 (339)
Ethical Consumption: US/Leap Views on Fair Trade, Other Certification Programs, and Consumer Power [PDF]
, 2009 This article presents US/Leap’s views Fair Trade labeling schemes and their benefits to workers and consumers globally. Examples of effective certification labels and other tools that serve mainly as corporate marketing tools are included.
US LEAP
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Psychotria caraballoensis (Rubiaceae), a new species from northern Luzon, Philippines
Nordic Journal of Botany, EarlyView.In this paper, we describe and illustrate Psychotria caraballoensis, a new endemic species from the Caraballo Mountain Range, Luzon, Philippines. It is allied to the Subalpina species group sensu Sohmer and Davis (2007), and resembles Psychotria sohotonensis.
Jenifer D. Pajarillaga +4 more
wiley +1 more source
Environmental, Social, and Economic Impacts of Sustainability Certification in the Agricultural Sector – The Current State of Empirical Research [PDF]
, 2011 Various stakeholders involved with sustainability certification are interested in knowing whether certification really fulfills its promises. Business managers who have to determine what type of products to source, consumers who are concerned about ...
Jawtusch, Julia +2 more
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Portulaca eggliana (Portulacaceae), a new species from the Brazilian Amazonian savannas
Nordic Journal of Botany, EarlyView.A new species of Portulacaceae from the Amazonian savannas of northern Brazil is herein described and illustrated. Portulaca eggliana is morphologically related to P. umbraticola, but differs in the number of involucral leaves, sepal morphology, bracteole shape, and seed surface.
José Roberto Ferraz +4 more
wiley +1 more source
, 2005 Studies of species distributions on elevational gradients are essential to understand principles of community organisation as well as to conserve species in montane regions.
Joshi, N. V. +2 more
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Hydroxyl radicals in the tropical troposphere over the Suriname rainforest: comparison of measurements with the box model MECCA [PDF]
, 2010 Dagmar Kubistin +16 more
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Oikos, EarlyView.Seasonal environmental cycles affect plant–pollinator interactions by altering plant phenology. Periods of low resource availability can filter pollinators and reduce the complexity of interaction networks, but the extent to which the functional morphology of pollinators influences such filtering remains unclear.
Ugo M. Diniz +3 more
wiley +1 more source
Oikos, EarlyView.Niche breadth, reflecting the range of environmental conditions or resources a species can exploit, influences its distribution, persistence, vulnerability to environmental change, and interspecific interactions. The elevational niche‐breadth hypothesis predicts broader ecological niches at higher elevations due to increased environmental stress and ...
Fernando P. Gaona +9 more
wiley +1 more source
Traveling the Distances of Karen Tei Yamashita\u27s Fiction: A Review Essay on Yamashita Scholarship and Transnational Studies [PDF]
, 2010 This essay provides an analysis of scholarly works on the fiction of Karen Tei Yamashita, contextualizing them within major shifts taking place in a number academic disciplines and fields that are addressing ...
Thoma, Pamela
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Revista de Biología Tropical, 2011 El uso de especies indicadoras para caracterizar unidades ecológicas específicas es de gran importancia en la biología de la conservación/restauración.
Noel González-Valdivia +7 more
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