The development of modern agriculture has resulted in much homogenization of the landscape consisting of large patches of farmland,so small remnant non-crop habitats especially linear corridors play an important role ...The development of modern agriculture has resulted in much homogenization of the landscape consisting of large patches of farmland,so small remnant non-crop habitats especially linear corridors play an important role in the conservation of species and the maintenance of ecosystem functions.However,little attention has been paid to the effects of corridors structural characteristics on the plant species restricted to such habitats.In this study,we selected three types of corridors including ditch,hedgerow and road,and analyzed their structural characteristics.The plant species presented in these corridors were investigated,and the species diversity,abundance and frequency were estimated.Moreover,spatial arrangements of corridors were classified into different types to discuss whether there were significant effects of corridor network on plant distribution.The results show that three types of corridors have different effects on plant species composition and diversity.The one-one combined corridor networks and total network associated by three corridors have more complex structural features than each single type of corridor.However,there is no strong correlation between the corridor networks with their plant species.We suggest that carrying out a pointed vegetation survey at corridor intersections to further test the relationships between structural features of corridor and plants is necessary.展开更多
OBJECTIVE:To analyze the cost effect of surrounding acupuncture plus electric acupuncture,cotton-sheet moxibustion,puncturing with red-hot needles,tapping plus cupping on herpes zoster.METHODS:Five hundred patients wi...OBJECTIVE:To analyze the cost effect of surrounding acupuncture plus electric acupuncture,cotton-sheet moxibustion,puncturing with red-hot needles,tapping plus cupping on herpes zoster.METHODS:Five hundred patients with herpes zoster were randomly divided into group A(surrounding acupuncture plus electric acupuncture),group B(cotton-sheet moxibustion),group C(puncturing with red-hot needles),group D(tapping plus cupping),and group E(Western medicine).The treatment was carried out twice a day in group E and once a day in the other four groups.The curative effect was observed on the 10th day of treatment;the cost was calculated for the five therapies,and the cost-effect ratio(C/E) and increment ratio(△ C/△ E) were analyzed.RESULTS:After the 10-day treatment,there was no statistical difference(P>0.05) in the curative effect among the five groups.Pain being alleviated one day faster than in group E amounted to a saving of RMB 21.90 yuan in group A,a saving of RMB 21.87 yuan in group B,a saving of RMB 26.00 yuan in group C,and a saving of RMB 20.23 yuan in group D.Compared with group C,the values of △ C/△ E were RMB 1.55,2.81,and 0.21 yuan in groups A,B,and D,respectively.CONCLUSIONS:The curative effect in groups A,B,C,and D was similar to that in group E,but the C/E was better than in group E.展开更多
基金Under the auspices of National Natural Science Foundation of China(No.41071118)
文摘The development of modern agriculture has resulted in much homogenization of the landscape consisting of large patches of farmland,so small remnant non-crop habitats especially linear corridors play an important role in the conservation of species and the maintenance of ecosystem functions.However,little attention has been paid to the effects of corridors structural characteristics on the plant species restricted to such habitats.In this study,we selected three types of corridors including ditch,hedgerow and road,and analyzed their structural characteristics.The plant species presented in these corridors were investigated,and the species diversity,abundance and frequency were estimated.Moreover,spatial arrangements of corridors were classified into different types to discuss whether there were significant effects of corridor network on plant distribution.The results show that three types of corridors have different effects on plant species composition and diversity.The one-one combined corridor networks and total network associated by three corridors have more complex structural features than each single type of corridor.However,there is no strong correlation between the corridor networks with their plant species.We suggest that carrying out a pointed vegetation survey at corridor intersections to further test the relationships between structural features of corridor and plants is necessary.
基金Supported by a grant from The National Science and Technology Support Project in the 11th Five-year Plan (2006BAI12B07)
文摘OBJECTIVE:To analyze the cost effect of surrounding acupuncture plus electric acupuncture,cotton-sheet moxibustion,puncturing with red-hot needles,tapping plus cupping on herpes zoster.METHODS:Five hundred patients with herpes zoster were randomly divided into group A(surrounding acupuncture plus electric acupuncture),group B(cotton-sheet moxibustion),group C(puncturing with red-hot needles),group D(tapping plus cupping),and group E(Western medicine).The treatment was carried out twice a day in group E and once a day in the other four groups.The curative effect was observed on the 10th day of treatment;the cost was calculated for the five therapies,and the cost-effect ratio(C/E) and increment ratio(△ C/△ E) were analyzed.RESULTS:After the 10-day treatment,there was no statistical difference(P>0.05) in the curative effect among the five groups.Pain being alleviated one day faster than in group E amounted to a saving of RMB 21.90 yuan in group A,a saving of RMB 21.87 yuan in group B,a saving of RMB 26.00 yuan in group C,and a saving of RMB 20.23 yuan in group D.Compared with group C,the values of △ C/△ E were RMB 1.55,2.81,and 0.21 yuan in groups A,B,and D,respectively.CONCLUSIONS:The curative effect in groups A,B,C,and D was similar to that in group E,but the C/E was better than in group E.