北极熊栖息地稳定性的遥感评估方法

李海丽, 柯长青

Assessment of Polar Bear Habitats Stability from Remote Sensing

LI Haili,KE Changqing

表2 19个北极熊栖息地开阔水域季节长度及变化率

Tab. 2 The length of the open water season and its change rate in 19 polar bear habitats

栖息地	均值/d	标准差/d	变化率/(d/10a)	可决系数R²
AB	48.25	35.84	31.88	0.54^**
BB	163.93	32.23	24.94	0.41^**
BS	174.79	79.52	71.69	0.55^**
CS	176.39	16.42	9.81	0.24^**
DS	202.00	23.46	14.83	0.27^**
EG	84.14	34.56	24.74	0.35^**
FB	135.68	17.50	11.54	0.27^**
GB	40.50	25.03	13.51	0.20^*
KB	33.75	36.88	33.84	0.57^**
KS	104.36	29.91	24.54	0.46^**
LP	70.57	25.01	14.04	0.21^*
LS	35.54	25.55	9.66	0.10
MC	50.21	24.30	12.76	0.19^*
NB	95.71	26.82	14.00	0.18^*
NW	13.29	19.61	0.74	0.00
SB	94.18	28.64	22.31	0.41^**
SH	152.32	16.37	7.72	0.15^*
VM	22.00	23.57	14.64	0.26^**
WH	149.43	15.96	9.38	0.23^**