由于森林栖息地的破碎化，美国的负鼠数量正在下降。
Opossum populations in the U.S. are down due to the fragmentation of their forest habitats.
由于过度捕猎、栖息地破坏和破碎化、污染和其他非自然的人为原因，无数物种已经消失。
Countless species have disappeared due to over-hunting, habitat destruction and habitat fragmentation, pollution and other unnatural human causes.
整个景观的破碎化程度都很高。
The entire landscape suffered from high degree of fragmentation.
该区景观的破碎化程度较低。
提倡适度规模经营，克服林地经营破碎化；
Thirdly, advocate appropriate scale operation, and overcome the decentralization on the forest management;
由于人类活动等原因，自然生境在日益丧失和破碎化。
Natural habitat has been increasingly fragmented due to human activity and other reasons.
从总体来看，破碎化指数较小，景观具有较好的完整性。
Generally speaking, the less the fragmentation index is, the better the completeness of the landscape is.
景观格局破碎化的研究是目前景观生态学研究的热点问题。
The study of landscape fragmentation has being the hotspot of landscape ecology at present.
其中耕地面积与斑块数量增加，在绿洲景观中呈现出破碎化趋势。
Among all the land, there's an increase of agricultural acreage and patches 'number, which present a fragmental trend in oasis landscape.
威胁东北虎种群生存的两个最主要因素是捕猎、生境丧失和破碎化。
The primary causes for the decline of the tiger population were poaching, habitat loss, and habitat fragmentation.
从森林带到森林草原交错带，森林斑块变小、森林景观破碎化程度提高。
From forest zone to the ecotone, forest patch size decreases while forest fragmentation increases.
从森林带到森林草原交错带，森林斑块变小、森林景观破碎化程度提高。
From forest zone to the ecotone, forest patch size decreases while forest fragmentation increases. Forest landscapes...
较大面积的草地和林地被分割、破碎化，小块盐碱化草地空间聚集与扩张。
The arable land and salinized land patches congregated and expanded, while the landscape of grassland and forestland were becoming more fragmented.
单位附属绿地斑块数量虽多，但平均面积小，因此较公园绿地破碎化程度高。
Though the number of patch of affiliated Greenland is larger, its average area is smaller, so its degree of fragmentation is higher.
由于人类活动影响的加重，各种基底景观不断破碎化，斑块的形状变的更加不规则。
Because of the impact of human activities increase, a variety of substrate constant landscape fragmentation, patch shape becomes more irregular.
设施用地的无序扩张、化肥施用量居高不下，林地减少和破碎化等问题需要引起重视。
Unreasonable infrastructure land use, agricultural pollution, deforestation and fragmentation contribute more to tourism landscape health change, which should be given more attention.
同时沼泽湿地景观的破碎化显著，斑块数量增加了46 % ，斑块密度净增加两倍。
The number of patch has increased 46%, and the density of patch has increased two times.
食果动物对生境破碎化的适应能力不同，泛性森林动物和广食性动物具有较强的适应性。
Frugivores have different adaptability to the habitat fragmentation, being stronger for the forest generalists and food generalists.
栖息地破碎化给野生动物带来的不良后果是全球生态学家和保护生物学家共同关心的问题。
The negative effects of habitat fragmentation on wildlife are focused by global ecologists and conservation biologists.
受气候变化和人类活动影响，湿地格局呈斑块破碎化和空间分布均匀化与孤立化的演变趋势。
Influenced by the climate changes and human activities, the wetland landscape patches are becoming fragmented, and their spatial distribution is becoming homogenized and isolated.
在景观水平上，斑块密度明显下降，而平均斑块面积明显增加，反映了景观破碎化程度的降低。
A decrease in patch density and an increase in mean patch size of landscape patch at landscape level indicated also that fragmentation of the whole landscape had been reduced.
沙化景观尤其是流动沙地对景观结构的影响较大，在区域景观异质性增强及破碎化加剧过程中起主要作用。
Desertification landscape, and mobile dune in particular, had great impact on landscape structure, playing an important role in the increment of landscape heterogeneity and fragmentation.
生境破碎化对依赖动物传播的植物影响有差异，多数植物受到负面影响，但也有一些植物不受影响，甚至受益。
Habitat fragmentation has negative effects on most of the plants depending on frugivore to disperse their seeds, but some plants are not, and even, benefited.
本文对千岛湖区景观格局研究表明，千岛湖区岛屿斑块密度相对较低(6.91)，生境破碎化迹象已经呈现。
The research of landscape pattern of Thousand Island Lake area showed that patch density of this area is relatively low (6.91), showing the habitat fragmentation phenomenon.
选取了斑块数、平均斑块面积、斑块形状指数、破碎化指数、分维数、景观异质性指数和景观均匀度指数等指标进行研究分析。
Several targets, such as patch number, average patch area, form index of patch, fragmentation index, sub-dimension, heterogeneity index of landscape and homogeneity index of landscape were studied.
经综合分析，认为研究区域的森林景观早已逾越了在人为影响下趋于破碎化和异质性提高的阶段，目前在人为的影响下趋于均质性。
It was concluded that the forest landscape in Liyang district was beyond the stage in which the heterogeneity would increase when influenced by human actions, and in the stage …
经综合分析，认为研究区域的森林景观早已逾越了在人为影响下趋于破碎化和异质性提高的阶段，目前在人为的影响下趋于均质性。
It was concluded that the forest landscape in Liyang district was beyond the stage in which the heterogeneity would increase when influenced by human actions, and in the stage …
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