We’d 2,544 grabs from 340 private (165 men and you may 175 girls) gerbils away from . We noticed 164 personal teams and you can 46 single some body throughout the the several trapping months during the 31 burrow options. Personal groups consisted of 2–18 somebody. I receive 142 communal communities (68%) and you may twenty-two men-female teams (10%). Unmarried someone integrated 27 single girls and 19 solitary guys. Brand new public teams contains 0-cuatro reproduction guys, 0-step 3 breeding female, and you can 0-eleven juveniles and you may, averaged six.eight anyone each burrow system (SE = 0.3). 00 to a single.00 and you can averaged 0.sixty (SE = 0.02), additionally the mediocre ratio regarding adults in public groups try 0.70 (SE = 0.03) inside whole research several months.

Sex ratios fluctuated over time, ranging from 0.52 so you can 0.77 and averaging 0.60 (SE = 0.26; Fig. 1); thus, the fresh gerbil population try females-biased. The latest ratio out of mature women within the reproductive status declined of 0.30 to help you 0.0 away from later April to later August; meanwhile, brand new proportion More about the author of men that were reproductively active refused of 0.50 so you can 0.13 ( Fig. 1). Zero people have been grabbed when you look at the reproductive reputation away from late August as a consequence of the termination of our investigation ( Fig. 1). Hence, the fresh breeding year survived throughout the cuatro weeks out-of later . Forty-you to definitely (23.4%) of 175 caught lady recreated within the breeding season. Diesen Beitrag weiterlesen »