Given that late 1990s, rusty patched bumble bee variety and you may shipping enjoys rejected rather
Our analyses mean that the resiliency, sign, and you can redundancy of the rusty patched bumble bee have all declined given that late 1990’s and tend to be estimated to carry on so you can decline over the 2nd numerous age. Historically, the brand new kinds are abundant and you will prevalent, having countless populations across the an expansive range, and you can try the 4th-ranked Bombus species within relative abundance investigation. This information was also advertised by the others.
We assumed any population which have a minumum of one list (one person rusty patched bumble bee seen) just like the 1999 is most recent, which means, the entire health insurance and standing ones 103 latest communities is unsure
Historically, the rusty patched bumble bee could have been documented out-of 926 communities; because the 1999, the fresh kinds could have been noticed from the 103 populations, and this is short for an enthusiastic 88 % refuse regarding the number of communities noted in advance of 2000). Actually, of several communities haven’t been reconfirmed as very early 2000s and you may ple, no rusty patched bumble bees was indeed noticed on 41 (forty percent) of your most recent sites because the 2010 and at 75 (73 percent) of one’s 103 internet since the 2015. Read more