Items in cart [4] Questions? Call 888-624-8373

PAPERBACK + PDF your price: $66.00 add to cart PAPERBACK list:$56.00 Web:$50.40 add to cart PDF BOOK your price: $43.00 add to cart PDF CHAPTERS your price: $3.40 select Rights & Permissions Free Resources PDF EXECUTIVE SUMMARY PDF Report Brief PODCAST: Status of Pollinators in North America [9] mB Display this book on your site! Related Titles Environmental Impacts of Wind-Energy Projects Gulf War and Health: Volume 5. Infectious Diseases Other Related Titles Status of Pollinators in North America (2007) Board on Life Sciences (BLS) Board on Agriculture and Natural Resources (BANR) Web Search Builder Use this book's key terms to search within this book, across our collection, or across the Web. Skim This Chapter Skim this chapter and use this chapter's key terms to search within this book. Reference Finder Paste in your own text to find books that relate to your topic. Page 307   E-mail  Facebook  Digg  Stumble  Twitter More The following HTML text is provided to enhance online readability. Many aspects of typography translate only awkwardly to HTML. Please use the page image as the authoritative form to ensure accuracy. I Annual Bee Variability of Bee Abundances Family Genus Species Annual Variability Years Reference Apidae Apis 1 5.04 10 Roubik and Wolda, 2001 Apidae Centris 1 1.77 4 Roubik, 1989; unpublished data Apidae Centris 1 4.74 17 Roubik and Wolda, 2001 Apidae Euglossini 6 1.77 2 Pearson and Dressler, 1985 Apidae Euglossini 32 1.36 20 Roubik, 2001 Apidae Meliponini 10 4.06 17 Roubik and Wolda, 2001 Colletidae Ptiloglossa 1 2.45 17 Roubik and Wolda, 2001 Halictidae Megalopta 2 2.15 17 Roubik and Wolda, 2001 Halictidae Rhinetula 1 3.45 17 Roubik and Wolda, 2001 Megachilidae Megachile 3 2.07 3 Frankie et al., 1998 Megachilidae Osmia 1 2.46 2-3 Frankie et al., 1998 NOTE: Annual variability in bee abundance was determined from short- and long-term censuses in two tropical regions (Peru and Panama) and one temperate region (California). SOURCE: Adapted from Roubik, 2001. Page 307 Front Matter (R1-R14) Summary (1-12) 1 Role and Importance of Pollinators (13-33) 2 Status of Pollinators (34-74) 3 Causes of Pollinator Declines and Potential Threats (75-103) 4 Effects of Variations in Pollinator Populations on Pollination Services (104-130) 5 Monitoring Pollinator Populations and Services (131-154) 6 Strategies for Maintaining Pollinators and Pollination Services (155-195) 7 Findings and Recommendations (196-207) Glossary (208-214) References (215-272) A Committee Biographies (273-281) B Presentations to the Committee (282-284) C Recently Extinct Insects from Around the World (285-286) D Endangered Insects in the Continental United States (287-288) E Bee Species in Decline in North America (289-289) F Meetings and Conferences on Pollinator Issues 1979-2006 (290-292) G Methods for Analyzing Status of Pollinators (293-297) H Xerces Society Red List of Pollinating Insects of North America (298-306) I Annual Bee Variability of Bee Abundances (307-308) Color Plates (309-312)

Below are the first 10 and last 10 pages of uncorrected machine-read text (when available) of this chapter, followed by the top 30 algorithmically extracted key phrases from the chapter as a whole.
Intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text on the opening pages of each chapter. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

Do not use for reproduction, copying, pasting, or reading; exclusively for search engines.

OCR for page 307
Status of Pollinators in North America I Annual Bee Variability of Bee Abundances Family Genus Species Annual Variability Years Reference Apidae Apis 1 5.04 10 Roubik and Wolda, 2001 Apidae Centris 1 1.77 4 Roubik, 1989; unpublished data Apidae Centris 1 4.74 17 Roubik and Wolda, 2001 Apidae Euglossini 6 1.77 2 Pearson and Dressler, 1985 Apidae Euglossini 32 1.36 20 Roubik, 2001 Apidae Meliponini 10 4.06 17 Roubik and Wolda, 2001 Colletidae Ptiloglossa 1 2.45 17 Roubik and Wolda, 2001 Halictidae Megalopta 2 2.15 17 Roubik and Wolda, 2001 Halictidae Rhinetula 1 3.45 17 Roubik and Wolda, 2001 Megachilidae Megachile 3 2.07 3 Frankie et al., 1998 Megachilidae Osmia 1 2.46 2-3 Frankie et al., 1998 NOTE: Annual variability in bee abundance was determined from short- and long-term censuses in two tropical regions (Peru and Panama) and one temperate region (California). SOURCE: Adapted from Roubik, 2001.

OCR for page 308
Status of Pollinators in North America This page intentionally left blank.