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4.299  Articles
1 of 431 pages  |  10  records  |  more records»
We analysed the isotopic compositions of bioavailable strontium (Sr) and lead (Pb) in 47 samples of animals and plants derived from the various geological substrates of southwestern South Africa, to explore the utility of these isotope systems as dietary ... see more

Macrodactylus pumilio Burm. (Coleoptera: Scarabeidae) and Naupactus cervinus (Boh.) (Coleoptera: Curculionidae) are considered primary pests in citrus crops in Brazil, causing damage to plants and decreasing productivity. However, few studies investigate ... see more

The measurement of stable isotopes in ‘bulk’ animal and plant tissues (e.g., muscle or leaf) has become an important tool for studies of functional diversity from organismal to continental scales. In consumers, isotope values reflect their die... see more

The competitive exclusion principle states that no two species can share the same niche in nature.  Partitioning among coexisting species occurs through utilization of various food sources or differences in microhabitat preference.  The purpose ... see more

Crayfish, being ecosystem engineers, are essential parts of ecosystems.  They are perceived as omnivorous benthic organisms and opportunistic feeders.  The goal of this study is to understand the trophic position of three species of crayfish (Ca... see more

The upwelling of nutrient-rich South Atlantic waters (as part of the Benguela current) along the Namibian coast sustains some of the highest rates of primary production in oceans, which involves important steps in the Nitrogen cycle. However, the ecology ... see more

The upwelling of nutrient-rich South Atlantic waters (as part of the Benguela current) along the Namibian coast sustains some of the highest rates of primary production in oceans, which involves important steps in the Nitrogen cycle. However, the ecology ... see more

AbstractChristian missions are historically captured in the construction of mission stations that facilitated religious instruction to advance the gospel with unintended consequences, such as an extension of missionary-colonial ideologies and attitudes. T... see more


1 of 431 pages  |  10  records  |  more records»