Sentence examples for maintain substantial levels from inspiring English sources

One example: agroforestry systems have been found to maintain substantial levels of biodiversity and have therefore been largely appraised as an all too perfect fusion of economic yield and nature conservation [26], [27].

Tradeoffs are fundamental to life history theory in evolutionary ecology and can apparently maintain substantial levels of genetic and phenotypic variation in such contexts (Roff and Fairbairn 2006; Kruuk et al. 2008).

Antagonistic selection may maintain substantial levels of genetic variation in life history traits despite the directional selection to which they are subject (Kruuk et al. 2000); data from red deer natural populations show that sexually antagonistic selection could maintain heritable genetic variance in reproductive traits and fitness variation.

Some companies need to maintain substantial cash reserves to balance liabilities, like pension obligations.

The U.S. should work with Cairo on issues of shared interest but otherwise maintain substantial distance.

They maintain substantial rates of secondary productivity during protracted periods of diminished primary productivity.

Our results are in agreement for ErbB-4, although ErbB-3 was discordant, being downregulated in cell lines but maintained at substantial levels in primary tumours.

This work had led to the idea that Toll-9 functions as a constitutively active signaling receptor that will maintain a substantial level of antimicrobial peptides required to ward off continuous challenge of microorganisms.

Branches in Algeria, Bahrain, Kuwait and Yemen have maintained substantial parliamentary representation since the 1990s.

The JNA maintained substantial forces in the Croatian capital, Zagreb, throughout 1991.

In societies with a high infection pressure such as in South Africa [ 27- 29], high tuberculosis rates will be maintained because there will be substantial levels of exogenous re-infection contributing to maintaining latency.