Journal of Applied Ecology, 38(5):īeissinger, S. Shortterm effects of canopy openness on insect herbivores in a Ecologicalīasset, Y., Elroy, C., Hammond, D. Avifaunal responses to singleĪnd recurrent wildfires in Amazonian forests. A globalĪnalysis of the impacts of urbanization on bird and plantĭiversity reveals key anthropogenic drivers. Trends inĪronson, M., La Sorte, F., Nilon, C., Madhusudan, K., Goddard, ![]() Research findings in ecology and evolution. The complexity of biodiversity change and deforestation and emphasize importance of generatingĪrnqvist, G. However, these findings deepen our understanding of Which is best to predict biodiversity changes. The outcome of this researchĪgrees with results of studies with spatial comparisons, though it is not yet possible to conclude Of disturbance, type of perturbation, and constancy in the surveys. Varied significantly among taxonomic groups, physical level species occupy in the ecosystem, type It was also found that the effects of deforestation on species abundance That biodiversity tends to decline in the five years after forest loss, though losses are not significant Temporal data aiming to understand better the dynamics of these changes caused by deforestation.Ī meta-Analysis was conducted compiling information from 13 studies using before-after-control impact design (BACI) to examine abundance response to deforestation. In order to understand these processes and try to predict future biologicalĭiversity loss, spatial comparisons have commonly been used. The many changes that forests have suffered over the last century have led to biodiversity lossĪround the planet. These findings suggest that the increasing CO2 concentrations of the 21st century are likely to decrease the protein concentration of many human plant foods.Biodiversity, BACI, Changes, Deforestation Resumen While the magnitude of the effect of elevated CO2 varied depending on the experimental procedures, a reduction in protein concentration was consistently found for most crops. Studies on wheat also showed a greater CO2 effect when protein concentration was measured in whole grains rather than flour. There was also indication of a possible pot artifact as, for both wheat and soybean, studies performed in open‐top chambers showed a significantly greater CO2 effect when plants were rooted in pots rather than in the ground. For both wheat and soybean, studies performed in open‐top chambers produced a larger CO2 effect than those performed using other types of experimental facilities. The magnitude of the CO2 effect also varied depending on experimental methodology. For soybean, the ozone effect was the reverse, as elevated CO2 increased the protein concentration of soybean grown at high ozone concentrations. Protein concentrations in potato tubers were reduced more for plants grown at high than at low concentrations of ozone. The magnitude of the CO2 effect on wheat grains was smaller under high soil N conditions than under low soil N. For soybean, there was a much smaller, although statistically significant reduction of protein concentration of 1.4%. For potato, the reduction in tuber protein concentration was 14%. ![]() ![]() For wheat, barley and rice, the reduction in grain protein concentration was ∼10–15% of the value at ambient CO2. Each crop had lower protein concentrations when grown at elevated (540–958 μmol mol−1) compared with ambient (315–400 μmol mol−1) CO2. Meta‐analysis techniques were used to examine the effect of elevated atmospheric carbon dioxide (CO2) on the protein concentrations of major food crops, incorporating 228 experimental observations on barley, rice, wheat, soybean and potato. Effects of elevated CO 2 on the protein concentration of food crops: a meta‐analysis Effects of elevated CO 2 on the protein concentration of food crops: a meta‐analysis
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