Immediate responses of wild bee communities to a large-scale burn in savannah habitat

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dc.contributor.advisorPacker, Laurence
dc.creatorVeiga, Natalia Soledad
dc.date.accessioned2016-09-13T13:15:35Z
dc.date.available2016-09-13T13:15:35Z
dc.date.copyright2013-05
dc.degree.disciplineBiology
dc.degree.levelMaster's
dc.degree.nameMSc - Master of Science
dc.description.abstractLittle is known about the effects of large-scale fires on essential pollinators, such as bees. A large wildfire occurred in the savannahs of Mburucuya National Park, Argentina, providing one year of both pre- and post-burn data. This allowed for an impact assessment of distance from fire edge using species diversity and guild characterization, based on nesting materials and body size, to examine bee community responses to fire. Our results generally agree with those of earlier smaller-scale fire impact studies upon bee communities: immediate declines in species richness and abundance but increases in diversity post-burn as well as similar responses from bee guilds based on nesting requirements. Our study suggests: (1) above-ground nesters are unable to colonize recently burned habitat as quickly as ground-nesters regardless of survival rates in situ, (2) ground-nesting bees, regardless of size, are least affected by distance from foraging or nesting resources, (3) patterns of fire impacts on bees become exacerbated near the middle of a large burn area, and (4) large-scale fires will have a greater impact upon above-ground nesters than do smaller-scale burns.
dc.identifier.urihttp://hdl.handle.net/10315/32024
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subject.keywordsbees
dc.subject.keywordswild bee communities
dc.subject.keywordslarge-scale burns
dc.subject.keywordsfire
dc.subject.keywordsSavannahs
dc.subject.keywordsMburucuya National Park
dc.subject.keywordsArgentina
dc.titleImmediate responses of wild bee communities to a large-scale burn in savannah habitat
dc.typeElectronic Thesis or Dissertation

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