Effects of long-term alleviation of nutrient limitation on shoot growth and foliar phenolics of Empetrum hermaphroditum

Article Abstract:

The ecosystem is often dominated by 'stress tolerant' species such as Empetrum hermaphroditum, which contribute to stress by producing and releasing biologically active phenolic compounds into the environment. It is shown that in contrast to inorganic N (N nutrient component) fertilization, application of organic N reduced both shoot biomass and phenolic content, Non-N treatments had no effects on either the growth of foliar phenolics of Empetrum hermaphroditum.

Berry crops, Noncitrus Fruit and Tree Nut Farming, Physiological aspects, Growth, Grassland ecology, Company growth

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Breeding performance, mate fidelity, and nest site fidelity in a long-lived seabird: Behaving against the current?

Article Abstract:

The extent to which individuals conform to the success-stay/failure-leave pattern in a population of kittiwakes (Rissa tridactyla), a long-lived colonial seabird species, is assessed and the categories of individuals displaying different behavioral patterns are identified. The analysis has contributed to the identification of relevant states to be considered when addressing mate and nest site choice.

Public affairs, Sexual behavior, Social aspects, Mate selection, Sea birds, Seabirds

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Nordic Empetrum dominated ecosystems: function and susceptibility to environmental changes

Article Abstract:

Research is presented on the Nordic Empetrum, or crowberry. Characteristics include resistance to air pollution, susceptibility to fire and disturbance, and its competitive edge in dominating plant communities through chemical interference.

Scandinavia, Statistical Data Included, Research, Shrubs

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