Dr. James Wilkes

There are 4 included publications by Dr. James Wilkes :

TitleDateViewsBrief Description
A National Survey Of Managed Honey Bee 2010-11 Winter Colony Losses In The USA: Results From The Bee Informed Partnership 2012 242 This study records the fifth consecutive year that winter losses of managed honey bee (Apis mellifera) colonies in the USA have been around 30%. In April 2011, a total of 5,441 US beekeepers (an estimated 11% of total US beekeepers) responded to a s...
A National Survey Of Managed Honey Bee 2011-12 Winter Colony Losses In The United States: Results From The Bee Informed Partnership 2013 281 Estimates of winter loss for managed honey bee (Apis mellifera) colonies are an important measure of honey bee health and productivity. We used data from 5,500 US beekeepers (5,244 backyard, 189 sideline and 67 commercial beekeepers) who responded to...
A National Survey Of Managed Honey Bee 2012-2013 Annual Colony Losses In The USA: Results From The Bee Informed Partnership 2014 338 For the past six years in which overwintering mortality of honey bee colonies has been surveyed in the USA, estimates of colony loss have fluctuated around one-third of the national population. Here we report on the losses for the 2012-2013 seasons. ...
A National Survey Of Managed Honey Bee 2013–2014 Annual Colony Losses In The USA 2015 360 Honey bee colony losses are a major concern in the USA and across the globe. Long-term data on losses are critical for putting yearly losses in context. US colony loss surveys have been conducted yearly since the winter of 2006–2007. Here, we report ...