Sentence examples for changes in food abundance from inspiring English sources

Our results suggest that convict cichlids display behavioural flexibility: in response to changes in food abundance, they appear to change both their likelihood of using aggression when encountering a conspecific and their willingness to enter an occupied patch.

Thus, M. minimus may be buffered from strong seasonal changes in food abundance, permitting broad peaks in births, with relatively little selection pressure for highly synchronized periods of birth.

Such drivers can, for example, be increased temperature (Dhillon and Fox 2004; Pörtner and Peck 2010; Kuparinen et al. 2011), changes in food abundance (Uusi-Heikkilä et al. 2011) or fisheries-induced evolution toward earlier maturation (e.g., Olsen et al. 2004).

This change in food abundance happened at the same time as the fall in adult cod populations.

However, the change to a sedentary lifestyle and the increase in food abundance has increased the risk of developing type II diabetes in individuals carrying these variants today.

Successful adaptation to climate change is possible without a change in timing by dispersing to habitats that show less seasonality in food abundance or a later food peak.

The consensus among mammal specialists is that an increase in food abundance, partly combined with climatic amelioration, has accounted for these changes".

To characterize seasonal changes in food availability, we multiplied the density of each food species with its average DBH and the corresponding average abundance of food items recorded during bimonthly phenology surveys, yielding our food availability scores.

DOI: http://dx.doi.org/10.7554/eLife.06259.001 To maximize their chances of survival, animals need to be able to sense changes in the abundance of food in their environment and respond in an appropriate manner.

The 266-item list of foods documented in the new study—including moths, algae, and even dirt illustrates the bear's ability to adapt to rapid changes in the abundance of their favorite foods, the researchers say.

Bengtsson et al. [35] showed that in a "donor system" like detrital soil food webs, changes in the numerical abundance of organisms after harvesting (here, fields) were consistently dependent on the trophic position within the food web, whereas mobile collembolans and enchytraeids were enhanced by soil nutrient quality [21].