Storage and drivers of forests carbon on the Beichangshan Island of Miaodao Archipelago

Honghua, 石洪华 Shi; Xiaoli, 王晓丽 Wang; Ai, 王嫒 Wang; Zhenying, 刘振英 Liu; Deming, 麻德明 Ma

doi:10.5846/stxb201305291220

Cited by 8 publications

(1 citation statement)

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“…The area belongs to the East Asian monsoon climate zone with the average annual temperature of 12.0 ℃, average annual rainfall of 537 mm and average annual sunshine time of 2 612 h. The island is a bedrock island with the highest point of 189 m above sea level. Its landform is dominated by the eroded hills composed of poor quality brown sandy and gravel soil (Shi et al, 2013). The southern archipelago is the political, economic, and cultural center of Changdao County with relatively high levels of urban construction, widespread marine aquaculture areas, and heavy transportations.…”

Section: Study Areamentioning

confidence: 99%

Landscape changes and their ecological effects of Miaodao Archipelago with human disturbances and under natural conditions in the past 30 years

2021

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The modern landscape patterns of islands usually show obvious spatial heterogeneity and complex ecological eff ects due to the vulnerability of ecosystems with natural characteristics under increasing human activities. In this work, we studied the variation in landscape pattern of the Miaodao Archipelago in Bohai Sea, North China, from 1990 to 2019, and an evaluation index system was established to explore the impacts of natural conditions and human disturbances on the ecological eff ects in the pressure-state-response (PSR) framework. Empirical analysis was conducted on the natural conditions, human disturbances, and ecological eff ects. The results show that forest was the main component of the landscape pattern in the archipelago. Both of the areas of forest and construction land were increasing, and the areas of cropland and grassland were declining. Other landscape types changed slightly, and the landscape fragmentation was increasing. The natural condition exhibited positive eff ects while human disturbance showed negative eff ects on the local ecology. Human disturbances come mainly from shoreline use while the natural conditions were mainly from the elevation change. The ecological eff ects were resulted mainly from the net primary productivity and water yield.

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Section: Study Areamentioning

confidence: 99%