1. Главная
  2. Ресурсы
  3. Библиотечный поиск
Global analysis ofseagrass restoration:the importance oflarge‐scale planting Marieke M. van KatwijkAnitra ThorhaugNúria Marbà2015 год

Global analysis of seagrass restoration: the importance of large‐scale planting
статья из журнала

Полный текстСтраница публикацииПубликация в OpenAlex
Аннотация: Summary In coastal and estuarine systems, foundation species like seagrasses, mangroves, saltmarshes or corals provide important ecosystem services. Seagrasses are globally declining and their reintroduction has been shown to restore ecosystem functions. However, seagrass restoration is often challenging, given the dynamic and stressful environment that seagrasses often grow in. From our world‐wide meta‐analysis of seagrass restoration trials (1786 trials), we describe general features and best practice for seagrass restoration. We confirm that removal of threats is important prior to replanting. Reduced water quality (mainly eutrophication), and construction activities led to poorer restoration success than, for instance, dredging, local direct impact and natural causes. Proximity to and recovery of donor beds were positively correlated with trial performance. Planting techniques can influence restoration success. The meta‐analysis shows that both trial survival and seagrass population growth rate in trials that survived are positively affected by the number of plants or seeds initially transplanted. This relationship between restoration scale and restoration success was not related to trial characteristics of the initial restoration. The majority of the seagrass restoration trials have been very small, which may explain the low overall trial survival rate (i.e. estimated 37%). Successful regrowth of the foundation seagrass species appears to require crossing a minimum threshold of reintroduced individuals. Our study provides the first global field evidence for the requirement of a critical mass for recovery, which may also hold for other foundation species showing strong positive feedback to a dynamic environment. Synthesis and applications . For effective restoration of seagrass foundation species in its typically dynamic, stressful environment, introduction of large numbers is seen to be beneficial and probably serves two purposes. First, a large‐scale planting increases trial survival – large numbers ensure the spread of risks, which is needed to overcome high natural variability. Secondly, a large‐scale trial increases population growth rate by enhancing self‐sustaining feedback, which is generally found in foundation species in stressful environments such as seagrass beds. Thus, by careful site selection and applying appropriate techniques, spreading of risks and enhancing self‐sustaining feedback in concert increase success of seagrass restoration.
Год издания: 2015
Авторы: Marieke M. van Katwijk, Anitra Thorhaug, Núria Marbà, Robert J. Orth, Carlos M. Duarte, Gary A. Kendrick, Inge Althuizen, Elena Balestri, Guillaume Bernard, Marion L. Cambridge, Alexandra H. Cunha, Cynthia Durance, Wim Giesen, Qiuying Han, Shinya Hosokawa, Wawan Kiswara, Teruhisa Komatsu, Claudio Lardicci, Kun‐Seop Lee, Alexandre Meinesz, Masahiro Nakaoka, Katherine R. O’Brien, E.I. Paling, Chris Pickerell, Aryan M. A. Ransijn, Jennifer Verduin
Издательство: Wiley
Источник: Journal of Applied Ecology
Ключевые слова: Marine and coastal plant biology, Coastal wetland ecosystem dynamics, Marine Biology and Ecology Research
Другие ссылки: Journal of Applied Ecology (PDF)
Journal of Applied Ecology (HTML)
Radboud Repository (Radboud University) (PDF)
Radboud Repository (Radboud University) (HTML)
Knowledge Repository of Yantai Institute of Coastal Zone Research, CAS (Yantai Institute of Coastal Zone Research) (PDF)
Knowledge Repository of Yantai Institute of Coastal Zone Research, CAS (Yantai Institute of Coastal Zone Research) (HTML)
Radboud Repository (Radboud University) (HTML)
CINECA IRIS Institutial research information system (University of Pisa) (PDF)
CINECA IRIS Institutial research information system (University of Pisa) (HTML)