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Community Succession after Cranberry Bog Abandonment in the New Jersey Pinelands

机译：新泽西派恩兰兹省蔓越莓沼泽遗弃后的社区演替

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摘要

Cranberry agriculture once represented over a third of wetlands in the New Jersey pinelands, but many bogs have been abandoned as the industry has declined. The purpose of this study was to examine succession dynamics of cranberry bogs post abandonment in the New Jersey pinelands and also provide data on the association of local species in various ages of abandoned cranberry bogs in order to inform management practices. We assessed bog succession after abandonment from an active cranberry bog to 60 years since abandonment. We hypothesized the fate of community succession would be influenced by the original agricultural practice and whether or not the bog was kept flooded. Community diversity and structure was determined from plant and invertebrate inventories and a chronosequence for bog succession was developed. In abandoned bogs that were left to dry, there was a significant difference in groundcover and functional diversity over time. The most abundant functional group transitioned from herbs and graminoids to shrubs and trees. The ecological role of invertebrates shifted from pollinators to predators as a canopy developed. This work suggests despite the history of agricultural practice, cranberry bogs could return to a community similar to what is already found in the pinelands and differing management practices would determine their successional climax community.
机译：蔓越莓农业曾经占新泽西州松林地区湿地的三分之一，但由于该行业的衰落，许多沼泽已被废弃。这项研究的目的是研究新泽西州松果地弃果后蔓越莓沼泽的演替动态，并提供有关不同年龄的废弃蔓越莓沼泽中当地物种的联系的数据，以便为管理实践提供依据。从废弃的蔓越莓沼泽到废弃后的60年，我们评估了沼泽的继承。我们假设社区继承的命运将受到原始农业实践以及沼泽是否被淹没的影响。从植物和无脊椎动物的清单确定了群落的多样性和结构，并开发了沼泽继承的时序。在弃置的干燥沼泽中，随着时间的推移，地被植物和功能多样性存在显着差异。功能最丰富的官能团从草药和类葛兰素过渡到灌木和树木。随着树冠的发展，无脊椎动物的生态角色从传粉者转变为掠食者。这项工作表明，尽管有农业实践的历史，但蔓越莓沼泽仍可能返回一个与松林中已经发现的群落相似的群落，并且不同的管理方法将决定其接连的高潮群落。

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