Sentence examples for breeding each year from inspiring English sources

number of 169.8 ± 28.5 pairs of birds were recorded breeding each year in Eastern Wood during the 29 years of census data, so annual assemblages consisted of 340 individuals; this differs slightly from the method of Gaston and Blackburn [ 20], who selected pairs rather than individuals.

Based on the prevalence of MMVD from 1985-1991 this would exclude 13%, 12% for females and 15% for males, of the CKCS from breeding each year, still less than 50% which is important for not creating other genetic problems [ 5].

This allows the testing of the parental varieties for the absence GM material prior to breeding, each year if necessary.

Of course, smaller males without much hope of breeding on land would also benefit from the at-sea mating alternative, which clarifies why up to 75% of adult males skip the breeding colony each year, as earlier studies have shown.

Scotland's red deer are breeding earlier each year, according to scientists studying the impact of climate change on the species.

There are normally one or two breeding attempts each year.

Therefore, we sampled a substantial fraction of the total estimated breeding population each year.

Testing thousands of lines in a breeding program each year may not be feasible for routine selection of resistant lines to FHB.

Waples (1990) discussed how such a characteristic causes a complete turnover in the breeding population each year rather than the gradual transition of most overlapping generation models.

Since 1988, the entire population has been extensively monitored, often in both the main (June September) and minor (November March) breeding seasons each year, during which birds are routinely caught with mist nets and audio lures.

As for the females, researchers have presumed that the opportunity to mate with primo males keeps them returning faithfully to the breeding colony each year.