Does delaying the first mowing date benefit biodiversity in meadowland?

Humbert, Jean-Yves; Pellet, Jérôme; Buri, Pierrick; Arlettaz, Raphaël

doi:10.1186/2047-2382-1-9

Environmental Evidence

Table 1 Data points and respective references included in the meta-analysis

From: Does delaying the first mowing date benefit biodiversity in meadowland?

	Outcomes
Taxon	Species richness	Abundance	Early cut (control)	Delayed cut (treatment)	Study duration in years	Design* exp or obs	Sample size	SD provided	Reference
Plants	x		May	July	11	exp	4	yes	Beltman et al. 2003 [89]
Plants	x		June	Sept	20	obs	9	yes	Bissels et al. 2004 [55]
Plants	x		June	Aug	2	exp	8	yes	Bobbink and Willems 1991, exp.1 [63]
Plants	x		June	Nov	2	exp	8	yes	Bobbink and Willems 1991, exp.1 [63]
Plants	x		Aug	Nov	2	exp	8	yes	Bobbink and Willems 1991, exp.1 [63]
Plants	x		Aug	Nov	4	exp	2	yes	Bobbink and Willems 1991, exp.2 [63]
Plants	x		Early June	Late June	6	exp	16	yes	Cop et al. 2009, exp.2 [58]
Plants	x		June	Aug	13	exp	3	yes	Fenner and Palmer 1998 [90]
Plants	x		Late June	Late July	40	obs	9	yes	Hegland et al. 2001 [56]
Plants	x		June	Aug	5	exp	10	yes	Hellström et al. 2006 [91]
Plants	x		May	July	2	exp	6	yes	Kirkham and Tallowin 1995 [92]
Plants	x		May	Aug	2	exp	6	yes	Kirkham and Tallowin 1995 [92]
Plants	x		May	Sept	2	exp	6	yes	Kirkham and Tallowin 1995 [92]
Plants	x		July	Aug	2	exp	6	yes	Kirkham and Tallowin 1995 [92]
Plants	x		July	Sept	2	exp	6	yes	Kirkham and Tallowin 1995 [92]
Plants	x		Aug	Sept	2	exp	6	yes	Kirkham and Tallowin 1995 [92]
Plants	x		July	Oct	22	exp	6	yes	Köhler et al. 2005 [54]
Plants	x		June	Oct	6	exp	24	yes	Marriott et al. 2003 [93]
Plants	x		June	July	11	exp	8	yes	Parr and Way 1988 [17]
Plants	x		June	July	4	exp	18	yes	Smith et al. 1996b [94]
Plants	x		June	Sept	4	exp	18	yes	Smith et al. 1996b [94]
Plants	x		July	Sept	4	exp	18	yes	Smith et al. 1996b [94]
Plants	x		June	July	8	exp	36	yes	Smith et al. 2000 [19]
Plants	x		June	Sept	8	exp	36	yes	Smith et al. 2000 [19]
Plants	x		July	Sept	8	exp	36	yes	Smith et al. 2000 [19]
Plants	x		May	July	3	exp	12	yes	Woodcock et al. 2007 [95]
Plants	x		July	Sept	25	exp	1	no	Bakker et al. 2002 [18]
Plants	x		May	June	7	exp	4	no	Oomes and Mooi 1981 [96]
Plants	x		May	Aug	7	exp	4	no	Oomes and Mooi 1981 [96]
Plants	x		May	Sept	7	exp	4	no	Oomes and Mooi 1981 [96]
Plants	x		June	Aug	7	exp	4	no	Oomes and Mooi 1981 [96]
Plants	x		June	Sept	7	exp	4	no	Oomes and Mooi 1981 [96]
Plants	x		Aug	Sept	7	exp	4	no	Oomes and Mooi 1981 [96]
Plants	x		May + Sept	June + Sept	7	exp	4	no	Oomes and Mooi 1981 [96]
Plants	x		Early June	Late June	4	exp	1	no	Selinger-L. and Muller 2001 [97]
Auchenorrhyncha	x	x	May	July	3	exp	12	yes	Blake et al. 2011 [80]
Invertebrates	x		June	Aug	13	exp	3	yes	Fenner and Palmer 1998 [90]
Heteroptera	x	x	May	July	3	exp	4	yes	Morris 1979 [59]
Auchenorhyncha	x	x	May	July	3	exp	4	yes	Morris 1981 [60]
Bumblebees	x	x	May	July	4	exp	12	yes	Potts et al. 2009 [98]
Butterflies	x	x	May	July	4	exp	12	yes	Potts et al. 2009 [98]
Butterfly larvae		x	May	July	4	exp	12	yes	Potts et al. 2009 [98]
Butterflies	x	x	July	Aug	unknown	obs	18	yes	Valtonen et al. 2006 [31]
Diurnal moths	x	x	July	Aug	unknown	obs	18	yes	Valtonen et al. 2006 [31]
Beetles	x	x	May	July	3	exp	12	yes	Woodcock et al. 2007 [95]
Coleoptera	x	x	May	July	2	exp	4	no	Morris and Rispin 1987 [21]

* Study designs were either experimental (exp) where mowing treatments were randomly applied, or observational (obs) were mowing treatments were not randomly applied.
All 55 data points (unit of analysis) and their respective references included in the meta-analysis. Rows are ordered by taxon and specific outcome measures. Note that rows with two outcomes (species richness and abundance) count as two data points. The time (month) of the early and delayed first cut are given for both control and treatment plots, as well as the duration of the study in years and the sample size. Studies where the Standard Deviation (SD) was not provided could only be included in meta-analyses based on the response ratio. See Additional file 2 for more details on each data points.

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ISSN: 2047-2382

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