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News

Academic wins international award for work on ecological sustainability

Dr Mark Goddard, an urban ecologist interested in biodiversity conservation and the provision of ecosystem services in cities, is a co-recipient of the Sustainability Science Award from the Ecological Society of America.

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First record of a gall-forming aphid fighting off predator

New research reports evidence of a gall-forming aphid, Mordwilkoja vagabunda, defending itself against predators – a first for this species.

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Aquatic fungi – forgotten conservation targets

A new paper addresses the problem of a lack of attention towards aquatic fungi as potential conservation targets.

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Diversifying Agriculture to Control Pest Outbreaks

A review of 13 years of agricultural data collected by the Spanish government shows that pest populations are more stable and easier to predict and control in diversified landscapes.

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Journals and Publications

Colored nectar is an uncommon floral nectar trait, and three hypotheses have been put forward to explain the ecological functions of colored nectar: attracting pollinators; deterring unsuitable floral visitors; inhibiting microbial growth in nectar. In The Scientific Naturalist section of the May issue of Ecology, Cai et al., describe how the white flower mutant of Stemona tuberosa (pictured) was found to secrete colorless nectar, while normal flowers of S. tuberosa secreted the uncommon colored nectar. In their study conducted over five consecutive years, Cai et al. demonstrate that the colored nectar of S. tuberosa cannot attract pollinators, deter unsuitable floral visitors, or inhibit microbial growth in nectar. The pigments may occur in nectar by chance and colored nectar may be a nonadaptive character.

Ecology