Journal: Basic and Applied Ecology
Location: Glasshouse experiment, Germany?

When tomatoes were inoculated with the fungal endophyte Acremonium strictum, only 20% of Cotton Bollworm caterpillars survived to adulthood, compared to 54.5% on uninoculated tomatoes, although they still ate the same quantity of leaves.

Tomatoes – Lycopersicum esculentum
Cotton Bollworm – Helicoverpa armigera

Jallow MF, Dugassa-Gobena D, Vidal S, 2004. “Indirect interaction between an unspecialized endophytic fungus and a polyphagous moth.” Basic and Applied Ecology, 5(2): 183-191, DOI: 10.1078/1439-1791-00224
Affiliations: Georg-August-Universität Göttingen


Journal: Basic and Applied Ecology
Location: Europe (Switzerland?)

When 50% of the leaf area of Canadian Goldenrod was removed by clipping, plants were 11.9% shorter up to 20 days, but 13.5% taller 42 to 138 after clipping began, so clipped plants were not shorter overall. However, they did have 12.2% thinner stems, and flowers had 43.2% less mass. When the plants were sprayed with jasmonic acid (a plant hormone that disturbs insect digestion and thus protects the plant from being eaten), the internodes (length between nodes) were 14.7% shorter, leaf area was reduced by 4.6%, it took 4.4 more days to flower, and flowers had 32.2% less mass than unsprayed plants.

Canadian Goldenrod – Solidago canadensis

van Kleunen M, Ramponi G, Schmid B, 2004. “Effects of herbivory simulated by clipping and jasmonic acid on Solidago canadensis.” Basic and Applied Ecology 5(2): 173-181, DOI: 10.1078/1439-1791-00225
Affiliations: Universität Zürich

Journal: Basic and Applied Ecology
Location: Hainich, Germany

In Hainich National Park, and old-growth forest in Germany, leaves in the upper canopy of eight tree species varied in size from 12.9 to 19.4 m2 per kg, were covered in 125 to 313 stomata per mm, contained 95-175mol Nitrogen per m2, and had a delta 13C value (the degree of carbon enrichment compared to inorganic matter, the more negative the higher), of -27.81 to -25.85 parts per thousand (typical of C3 photosynthesis). Sycamore, Hornbeam, Ash, and Linden saplings had a maximum CO2 assimilation rate (Amax, indicating photosynthetic rate) of 5.0 and 6.4 mumol m–2s–1. Adult Hornbeams had the lowest Amax (10.5), and Ash the highest (16.3). Lower canopy Ash also had the highest Amax (12.0, compared to 5.0-5.6).

Sycamore – Acer pseudoplatanus
Hornbeam – Carpinus betulus
Ash – Fraxinus Excelsior
Linden – Tilia platyphyllos

Hölscher D, 2004. “Leaf traits and photosynthetic parameters of saplings and adult trees of co-existing species in a temperate broad-leaved forest.” Basic and Applied Ecology, 5(2): 163-172, DOI: 10.1078/1439-1791-00218
Affiliations: University of Göttingen

Journal: Basic and Applied Ecology
Location: Boreal Sweden

In 30 managed forests (180ha in total) in boreal Sweden surveyed before harvest, 33 red list bryophyte and lichen species (35% of all red list species that have been observed in that part of Sweden) were found, ranging from 5 to 16 species per stand (10 on average), or 6 per hectare. This is more frequent than in designated hot-spot areas. 51% of species were growing on dead trees, and 48% on live. Mature managed forests may be important habitats for red list bryophyte and lichen species.

Gustafsson L, Appelgren L, Jonsson F, Nordin U, Persson AA, Weslien J-O, 2004. “High occurrence of red-listed bryophytes and lichens in mature managed forests in boreal Sweden” Basic and Applied Ecology, Volume 5(2): 123-129, DOI: 10.1078/1439-1791-00223.
Affiliations: Swedish University of Agricultural Sciences, Vänersborg, Trångsviken, The Forestry Research Institute of Sweden (Skogforsk)