reply to post by CHA0S
Thank you for the update; I had not seen that story. Last year I attended a public on-campus talk at UC Berkeley here in California, a talk given by
Claire Kremen, PhD, an environmental sciences professor who specializes in studies of native bee populations. Among other facts, she states that the
biggest factor influencing bee health around farmlands is diversity of planting: For example, if you are just "monocropping" (growing just one type
of crop each season), you severely limit the amount of time that that crop is in flower; limited flowering means a severely limited food supply for
native foraging bee populations. Another factor is that around farmlands, some species of native bees (such as solitary bees -- i.e., those who do
not live in hives but create their own ground nests, one bee at a time) require undisturbed ground as their habitat or living space.
For both of these reasons given above, organic farming of multiple crops at a time and multiple plantings of diverse crops over a full year has an
advantage over conventional agriculture (which uses chemical sprays, tainted fertilizers, and in some cases GMO seeds) in insuring both plentiful
supply of flower pollen (food) for many bee species and more undisturbed ground surrounding the organic farms, per organic farming guidelines of
certifying organizations.
Here, for example, is a link to the non-profit group founded by Dr. Kremen and several of her science colleagues to conduct ongoing studies of the
health of native and non-native (European honeybee) bee populations:
www.xerces.org...
Interestingly, in that website's current news (see the right-hand column) there is an update on the threat to native bumblebees. Here is that story,
which is condensed from an earlier report in the Seattle Times, which you can click on at the bottom of this page below:
www.xerces.org...
And here is the earlier Xerces Society summary of a January 2010 report on this same problem by the Washington Post newspaper:
www.xerces.org...
Below is a Xerces Society fact sheet that explains in detail how the availability of flowering fruits (in this case - watermelon) helps maintain the
strength of bee populations:
www.xerces.org...
Xerces Society also has a number of more in-depth brochures they sell at minimal cost which explain an ecologically viable way to improve a farm's
compatibility with all bee populations...here is one example:
www.xerces.org...
Here is a low-cost recent book on the subject they have also published:
www.xerces.org...
Here is the free signup page for their e-newsletter:
www.xerces.org...
Here is the most recent news release on their website, 5 months ago, a scientific petition to the USDA agency in Washington DC to alert the US Federal
government to the threatened extinction of 4 bumblebee populations:
www.xerces.org...
Last year, my family and I signed up for monthly delivery to our door of fresh fruits and vegetables from the Farm Fresh To You food cooperative.
Capay Farms, the supplier for Farm Fresh, is one of the organic farms in Yolo County in Northern California that Dr. Kremen's group has studied in
depth over the last 10 years. (Farm Fresh also has set up fall/winter/spring farms in southern California in Imperial County -- the desert -- to
serve as a more local supplier for its southern California customers like my family.)
If you want to contact Xerces directly to ask about the breaking news story cited by the OP, here are e-mail addresses and telephone numbers you can
use:
www.xerces.org...
[edit on 5/4/2010 by Uphill]