Generalist ground-nesting bees dominate diversity survey in intensively managed agricultural land Author Ahrenfeldt, Erica Juel Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark (ericajuel @ hotmail. com; les @ plen. ku. dk). Author Kollmann, Johannes Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark (ericajuel @ hotmail. com; les @ plen. ku. dk). & Department of Ecology and Ecosystem Management, School of Life Sciences Weihenstephan, Technical University of Munich, Emil-Ramann-Str. 6, 85354 Freising, Germany (jkollmann @ wzw. tum. de). Author Madsen, Henning Bang Department of Biology, Faculty of Science, University of Copenhagen, Universitetsparken 15, 21000 Copenhagen Ø, Denmark (hbmadsen @ bio. ku. dk). Author Skov-Petersen, Hans Department of Geosciences and Natural Resource Management, Faculty of Science, University of Copenhagen, Rolighedsvej 23, 1958 Frederiksberg C, Denmark (hsp @ plen. ku. dk). Author Sigsgaard, Lene Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark (ericajuel @ hotmail. com; les @ plen. ku. dk). text Journal of Melittology 2019 2019-01-23 2019 82 1 12 http://dx.doi.org/10.17161/jom.v0i82.7057 journal article 10.17161/jom.v0i82.7057 2325-4467 13145960

Table 1. Characteristics of the study sites. Strawberry farms sampled with farming practice and intensity, field identity, locality, geographical UTM coordinates (Zealand includes zones 32 and 33; we used the modified map where all of Zealand is in zone 32), number of wild plant species in and around fields, average cover of plants in permanent margins surrounding the field, effect of farming intensity on number of plant species, and cover of plants and bare soil. High-intensity fields were treated with herbicides and insecticides, and low-intensity fields were either treated only with fungicides or had organic management. Plant cover was significantly higher around low intensity fields (t-test, p <0.05), and there was a tendency for higher numbers of wild plant species in and around low-intensity fields (standard Poisson regression model, p = 0.079).

Farming practice	Farming intensity*	Field #	Locality	UTM-East	UTM-North	Plant species	Plant cover (%)
Conventional	High	C1	L. Skensved	700412	6159759	32	51
		C3	Ringsted	678907	615417	40	54
		C4	Slagelse	647026	6143613	19	19
		C5	Skaelskør	648014	6127775	22	52
	Averages high (mean ± SD)					28 ± 10	44 ± 17
	Low	C2	Ruds Vedby	653840	6159015	38	73
		C6	Klippinge	710005	6139644	47	74
Organic		O1	Lejre	687451	6166198	32	78
		O2	Fjenneslev	670332	6146341	24	63
		O3	Klippinge	710043	6140360	44	58
		O4	Skaelskør	650313	6129770	28	76
		O5	Ringsted.	669561	6151293	36	85
		O6	L. Skensved	697890	6157065	26	44
	Averages low (mean ± SD)					34 ± 8	69 ± 13