Genetic diversity of calcareous grassland plant species depends on historical landscape configuration

BMC Ecology

Table 3 Habitat fragmentation data

St.	Name	HA₂₀₁₃	HA₁₈₃₀	HA/P	D₂₀₁₃	D₁₈₃₀	CO₁₈₃₀	CO₂₀₁₃	HL
01	Eichelberg	445	715,410	2.41	58	129	100.90	8.35	83.01
02	Münchsried	631	0	3.95	980	133	23.89	2.34	79.12
03	Oel	763	6725	3.44	391	81	9.76	1.96	61.88
04	Staudenberg	1020	0	5.31	97	70	37.16	11.65	67.04
05	Eitelberg	1399	0	8.56	117	97	130.80	44.65	84.25
06	Kühschlag	1440	3308	8.25	340	98	62.28	26.52	82.43
07	Kallmünz	1546	11,072	6.67	175	168	82.16	48.29	83.75
08	Kronbuckel	1695	1176	4.79	382	62	59.55	13.94	80.55
09	Ziegelhütte	2495	0	4.69	41	24	70.72	15.55	78.33
10	Weichseldorf	5659	37,519	12.26	290	273	43.21	9.24	71.19
11	Fuchsenbügl	6211	13,243	11.22	60	15	101.79	66.19	83.21
12	Undorf	8009	0	20.89	91	59	132.94	50.75	84.49
13	Schafbuckel	12,033	17,338	17.12	150	192	13.19	3.60	77.90
14	Goldberg	22,160	0	12.31	32	121	21.15	7.19	66.83
15	Schönhofen	21,894	58,015	23.84	211	251	78.99	32.96	81.99
16	Traidendorf	24,405	134,710	15.02	58	44	97.91	71.44	84.95
17	Gänsleite	64,984	440,768	23.17	222	63	97.09	48.36	78.88
18	Pfaffenberg	91,067	631,523	24.87	87	94	183.16	38.90	85.32
	Mean	14,881	115,045	11.60	210	110	74.81	27.90	78.62
	SE	±5828	±53,938	±1.79	±53	±17	±11.01	±5.38	±1.67

Area of the selected study sites in m² in 1830 and 2013 (HA₁₈₃₀ and HA₂₀₁₃), the area/perimeter ratio (HA/P) in 2013, the distance to the nearest calcareous grassland in meter (D₁₈₃₀ and D₂₀₁₃) and the connectivity of the grasslands (CO₁₈₃₉ and CO₂₀₁₃) within a radius of 3 km in 1830 and 2013, and the loss of calcareous grasslands within this radius since 1830 in % (HL)

ISSN: 1472-6785