Species Richness and Density of Earthworms in Relation to Soil Factors in Olive Orchard Production Systems in Central Greece

References

• Bartz , M. L. C. , Brown , G. G. , Pasini , A. , Fernandes , J. , Curmi , P. , Dorioz , J. and Ralisch , R. 2009 . Earthworm communities in organic and conventional coffee cultivation . Pesquisa Agropecuária Brasileira , 44 : 928 – 933 .
   Web of Science ®Google Scholar
• Bengtsston , J. , Ahnstrom , J. and Weibull , A. 2005 . The effects of organic agriculture on biodiversity and abundance: a meta-analysis . Journal of Applied Ecology , 42 : 261 – 269 .
   Web of Science ®Google Scholar
• Bith , R. , Pandey , H. , Bharit , D. and Kaushal , B. R. 2003 . Population dynamics of earthworms (Oligochaeta) in cultivated soils of central Himalayan Tarai region . Tropical Ecology , 44 : 229 – 234 .
   Google Scholar
• Bouyoukos , G. J. 1951 . A recalibration of the hydrometer method for making mechanical analysis of soils . Agronomy Journal , 43 : 344 – 438 .
   Google Scholar
• Bremner , J. M. and Mulvaney , C. S. 1982 . “ Nitrogen ” . In Methods of soil analysis, part 2: Chemical and microbiological properties , 2nd , Edited by: Page , A. L. , Miller , R. M. and Keeney , D. R. Madison , , Wisc : Agronomy Society of America and Soil Science Society of America .
   Google Scholar
• Chalkias , N. 1968 . Irrigation and soil systematization Athens , , Greece: M. L. Yiovani
   Google Scholar
• Curry , J. P. 1998 . “ Factor affecting earthworm abundance in soils ” . In Earthworm ecology , Edited by: Edwards , C. A. Boca Raton, Fl : Lucie Press .
   Google Scholar
• Edwards , C. A. and Bohlen , P. J. 1996 . Biology and ecology of earthworms , London : Chapman and Hall .
   Google Scholar
• Gabriel , D. and Tscharntke , T. 2007 . Insect pollinated plants benefit from organic farming . Agriculture, Ecosystems and Environment , 118 : 43 – 48 .
   Web of Science ®Google Scholar
• Gong , W. , Yan , X. , Wang , J. , Hu , T. and Gong , Y. 2009 . Long-term manure and fertilizer effects on soil organic matter fractions and microbes under a wheat–maize cropping system in northern China . Geoderma , 149 : 318 – 324 .
   Web of Science ®Google Scholar
• Hellenic National Meteorological Service. 2010 http://www.hnms.gr/hnms/greek/index_html (http://www.hnms.gr/hnms/greek/index_html)
   Google Scholar
• Hole , D. G. , Perkins , A. J. , Wilson , J. D. , Alexander , I. H. , Grice , P. V. and Evans , A. D. 2005 . Does organic farming benefit biodiversity? . Biological Conservation , 122 : 113 – 130 .
   Web of Science ®Google Scholar
• Ibanez , J. J. , De-Alba , S. , Bermudez , F. F. and Garcia-Alvarez , A. 1995 . Pedodiversity: Concepts and measures . Catena , 24 : 215 – 232 .
   Web of Science ®Google Scholar
• Irmler , U. 2010 . Changes in earthworm populations during conversion from conventional to organic farming . Agriculture, Ecosystems and Environment , 135 : 194 – 198 .
   Web of Science ®Google Scholar
• Joshi , N. , Dabral , M. and Maikhuri , R. K. 2010 . Density, biomass, and species richness of earthworms in agroecosystems of Garhwal Himalaya, India . Tropical Natural History , 10 : 171 – 179 .
   Google Scholar
• Jordan , D. , Li , F. Jr. , Ponder , F. , Berry , E. C. , Hubbard , V. C. and Kim , K. Y. 1999 . The effects of forest practices on earthworm populations and soil microbial biomass in a hardwood forest in Missouri . Applied Soil Ecology , 13 : 31 – 38 .
   Web of Science ®Google Scholar
• Lavelle , P. , Brussaard , L. and Hendrix , P. 1999 . Earthworm management in tropical agroecosystems , New York : CABI .
   Google Scholar
• Lee , K. E. 1985 . Earthworms: Their ecology and relationships with soils and land use , Sydney : Academic Press .
   Google Scholar
• Liebig , M. A. and Doran , J. W. 1999 . Impact of organic production practices on soil quality indicators . Journal of Environmental Quality , 28 : 1601 – 1609 .
   Web of Science ®Google Scholar
• Loumou , A. and Giourga , C. 2003 . Olive groves: The life and identity of the Mediterranean . Agriculture and Human Values , 20 : 87 – 95 .
   Web of Science ®Google Scholar
• Mäder , P. , Fliessbach , A. , Dubois , D. , Gunst , L. , Fried , P. and Niggli , U. 2002 . Soil fertility and biodiversity in organic farming . Science , 296 : 1694 – 1697 .
   PubMed Web of Science ®Google Scholar
• McLean , E. O. 1982 . “ Soil pH and lime requirement ” . In Methods of soil analysis: Chemical and microbiological properties , Edited by: Page , A. L. , Miller , R. M. and Keeney , D. R. 199 – 224 . Madison , , Wisc : Agronomy Society of America, Soil Science Society of America .
   Google Scholar
• Nelson , D. W. and Sommers , L. E. 1982 . “ Total carbon, organic carbon, and organic matter ” . In Methods of soil analysis, part 2: Chemical and microbiological properties , Edited by: Page , A. L. 539 – 579 . Madison , , Wisc : Agronomy Society of America and Soil Science Society of America .
   Google Scholar
• Nur , N. , Jones , S. L. and Geupel , G. R. 1999 . A statistical guide to data analysis of avian monitoring programs , Washington , D.C : U.S. Government Printing Office . U.S. Department of the Interior, Fish and Wildlife Service, BTP-R6001-1999
   Google Scholar
• Olsen , S. R. and Sommers , L. E. 1982 . “ Phosphorus ” . In Methods of soil analysis, part 2: Chemical and microbial properties , Edited by: Page , A. L. , Miller , R. M. and Keeney , D. R. Madison , , Wisc : Agronomy Society of America and Soil Science Society of America .
   Google Scholar
• Page , A. L. , Miller , H. R. and Keeney , R. D. 1982 . Methods of soil analysis, part 2: Chemical and microbiological properties , Madison , , Wisc : Agronomy Society of America and Soil Science Society of America .
   Google Scholar
• Paoletti , M. G. and Bressan , M. 1996 . Soil invertebrates as bioindicators of human disturbance . Critical Reviews in Plant Sciences , 15 : 21 – 62 .
   Web of Science ®Google Scholar
• Pfiffner , L. and Mader , P. 1997 . Effects of biodynamic, organic, and conventional production systems on earthworm populations . Biological Agriculture and Horticulture , 15 : 3 – 10 .
   Web of Science ®Google Scholar
• Purakayastha , T. J. , Rudrappa , L. , Singh , D. , Swarup , A. and Bhadraray , S. 2008 . Long-term impact of fertilizers on soil organic carbon pools and sequestration rates in maize–wheat–cowpea cropping system . Geoderma , 144 : 370 – 378 .
   Web of Science ®Google Scholar
• Raw , F. 1959 . Estimating earthworm population by using formalin . Nature , 184 : 1661 – 1662 .
   Web of Science ®Google Scholar
• Sánchez-De León , Y. , De Melo , E. , Soto , G. , Johnson-Maynard , J. and Lugo-Pérez , J. 2006 . Earthworm populations, microbial biomass, and coffee production in different experimental agroforestry management systems in Costa Rica . Caribbean Journal of Science , 42 : 397 – 409 .
   Web of Science ®Google Scholar
• Scialabba , N. and Hattam , C. 2002 . Organic agriculture, environment, and food security , Rome : FAO . Environment and Natural Resources Series No. 4
   Google Scholar
• Scullion , J. , Neale , S. and Philipps , L. 2002 . Comparisons of earthworm populations and cast properties in conventional and organic arable . Soil Use Management , 18 : 293 – 300 .
   Web of Science ®Google Scholar
• Seaby , R. M. and Henderson , P. A. 2006 . Species diversity and richness, version 4.1.2 , Lymington , , UK : Pisces Conservation Ltd .
   Google Scholar
• Smetak , K. M. , Johnson-Maynard , J. L. and Lloyd , J. E. 2007 . Earthworm population density and diversity in different aged urban systems . Applied Soil Ecology , 37 : 161 – 168 .
   Web of Science ®Google Scholar
• Suthar , S. 2009 . Earthworm communities, a bioindicator of arable land management practices: A case study in semiarid region of India . Ecological Indicators , 9 : 588 – 594 .
   Web of Science ®Google Scholar
• Swift , M. J. , Izac , A. M. N. and van Noordwijk , M. 2004 . Biodiversity and ecosystem services in agricultural landscapes—Are we asking the right questions? . Agriculture, Ecosystems and Environment , 104 : 113 – 134 .
   Web of Science ®Google Scholar
• Ter Braak , C. J. F. and Smilauer , P. 2002 . CANOCO reference manual and Canoco Draw for Windows user's guide: Software for canonical community ordination (version 4.5) , Ithaca , N.Y : Microcomputer Power .
   Google Scholar
• Therios , I. 2009 . “ Olives ” . In Hectareage, number of trees, and production of olive oil and table olives , Edited by: Atherton , J. and Rees , A. 33 – 40 . Thessaloniki , , Greece : School of Agriculture, Aristotle University .
   Google Scholar
• Thomas , G. W. 1982 . “ Exchangeable cations ” . In Methods of soil analysis, part 2: Chemical and microbiological properties , 2nd , Edited by: Page , A. L. , Miller , R. M. and Keeney , D. R. 159 – 165 . Madison , , Wisc : Agronomy Society of America, Soil Science Society of America .
   Google Scholar
• Zar , J. 1999 . Biostatistical analysis , Englewood Cliffs , N.J : Prentice-Hall .
   Google Scholar