Regional Comparison of the Ecosystem Services from Seagrass Beds in Asia

Nakaoka, Masahiro; Lee, Kun‐Seop; Huang, Xiaoping; Almonte, Tutu; Bujang, Japar Sidik; Kiswara, Wawan; Ambo‐Rappe, Rohani; Yaakub, Siti Maryam; Prabhakaran, M. P.; Hena, Mustafa Kamal Abu; Hori, Masakazu; Zhang, Peidong; Prathep, Anchana; Fortes, Miguel D.

doi:10.1007/978-4-431-54783-9_20

Cited by 9 publications

(12 citation statements)

References 44 publications

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“…However, as the majority of the studies have focused on the effects of pollution on sea grasses, there have been only few reports on the impact of fish farming on sea grassassociated fauna, including benthic macrofauna or macroinvertebrates (e.g., Kalantzi and Karakassis 2006;Katavic and Antolic 1999;Dimech et al 2002;Eklöf et al 2005;Apostolaki et al 2007;Papageorgiou et al 2009). Hence, we lack valid information on mariculture-induced effects on sea grass macrofaunal communities despite their significant importance in maintaining multiple functions of sea grass ecosystems and on the sustainable use of provisioning services by sea grass beds (Cullen-Unsworth et al 2013;Nakaoka et al 2014;Unsworth et al 2014;Duffy et al 2015).…”

Section: Introductionmentioning

confidence: 99%

“…Sea grass beds are highly valuable ecosystems on Earth (Costanza et al 1998;Moberg and Rönnbäck 2003;Nakaoka et al 2014) and serve as a valid example of coupled social-ecological system (Cullen-Unsworth et al 2013;Unsworth et al 2014). The declining status of sea grass resource, due to local-and/or global-scale environmental change, has significant effects on the resilience of the society and coupled social-ecological system (Cullen-Unsworth et al 2014).…”

Section: Introductionmentioning

confidence: 99%

“…The declining status of sea grass resource, due to local-and/or global-scale environmental change, has significant effects on the resilience of the society and coupled social-ecological system (Cullen-Unsworth et al 2014). Many macrobenthic animals, together with fish, associated with sea grass beds, such as crustaceans, mollusks, and echinoderms, have been exploited by humans for their income generation and/or food (see also Nakaoka et al 2014). Dramatic decrease or even nonexistence of sea grass invertebrates threatens an important food and income source, resulting in negative impacts on the well-being and livelihood of the society that is dependent on sea grass fisheries (sensu Cullen-Unsworth et al 2014).…”

Section: Introductionmentioning

confidence: 99%

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Variation in macrofaunal communities of sea grass beds along a pollution gradient in Bolinao, northwestern Philippines

Leopardas

Honda

Bolisay

et al. 2016

Marine Pollution Bulletin

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This study examined the variation of macrofaunal communities in sea grass beds along a pollution gradient in Bolinao, northwestern Philippines. We established four stations and compared the diversity and abundance of macrofauna between them. The Shannon diversity index in the least polluted station was more than twice higher than that in the most polluted one. Abundance was more than thrice higher in the most polluted station. The species composition generally varied, with community difference explained largely by the predominance of the filter-feeding bivalve Gafrarium pectinatum and polychaete Capitella capitata. Species heterogeneity was reduced along the pollution gradient by approximately 19% from the least polluted to the most polluted station. This reduction indicates biodiversity alteration, which has a significant impact on ecosystem functioning. Aspects of species heterogeneity should be considered in environmental impact assessments and the management of coastal areas encountered with anthropogenic disturbances.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Variation in macrofaunal communities of sea grass beds along a pollution gradient in Bolinao, northwestern Philippines

Leopardas

Honda

Bolisay

et al. 2016

Marine Pollution Bulletin

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“…Seagrass beds support numerous flora and fauna, including endangered and commercially important species (Kikuchi and Peres, 1977;Williams and Heck, 2001;Nakaoka, 2005). They provide many valuable ecosystem services to humans, such as seafood provision (Unsworth et al, 2019), water quality control (Nakaoka et al, 2014;Lamb et al, 2017), disaster resilience (Duarte et al, 2013), blue carbon stock (Fourqurean et al, 2012), disease control, climate regulation, and tourism (United Nations Environment Programme [UNEP], 2020). The total economic value of seagrass ecosystem services per area exceeds that of terrestrial ecosystems such as forests (Costanza et al, 1997(Costanza et al, , 2014Dewsbury et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Distribution, Temporal Change, and Conservation Status of Tropical Seagrass Beds in Southeast Asia: 2000–2020

et al. 2021

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Although Southeast Asia is a hotspot of global seagrass diversity, there are considerable information gaps in the distribution of seagrass beds. Broad-scale seagrass distribution has not been updated in the global seagrass database by UNEP-WCMC since 2000, although studies on seagrasses have been undertaken intensively in each region. Here we analyze the recent distribution of tropical seagrass beds, their temporal changes, causes of decline and conservation status in Southeast Asia (plus southern mainland China, Taiwan and Ryukyu Island of Japan) using data collected after 2000. Based on the 195 literature published since 2000, we identified 1,259 point data and 1,461 polygon data showing the distribution of seagrass beds. A large discrepancy was found in the seagrass bed distribution between our updated data and the UNEP-WCMC database, mostly due to inaccurate and low resolution location information in the latter. Temporal changes in seagrass bed area analyzed for 68 sites in nine countries/regions demonstrated that more than 60% of seagrass beds declined at an average rate of 10.9% year–1, whereas 20% of beds increased at an average rate of 8.1% year–1, leading to an overall average decline of 4.7% year–1. Various types of human-induced threats were reported as causes for the decline, including coastal development, fisheries/aquaculture, and natural factors such as typhoons and tsunamis. The percentage of seagrass beds covered with existing marine protected areas (MPAs) varied greatly among countries/regions, from less than 1% in Brunei Darussalam and Singapore to 100% in southern Japan. However, the degree of conservation regulation was not sufficient even in regions with higher MPA coverage. The percentage of seagrass beds within EBSAs (Ecologically and Biologically Significant Area determined by the Convention of Biological Diversity) was higher than that within MPAs because EBSAs cover a greater area than MPAs. Therefore, designating EBSAs as legally effective MPAs can greatly improve the conservation status of seagrass beds in Southeast Asia.

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“…However, scientific knowledge is still limited for planning and executing effective management activities at both global and local scales. Major bottlenecks in the ecological sciences include the lack of fine-resolution information of the distribution of biodiversity at each locality (Jetz et al 2012;Meyer et al 2015), a great degree of variability in biodiversity and ecosystem services across multiple environmental gradients (Koch et al 2009;Nakaoka et al 2014;Nordlund et al 2016), and interrelationships (trade-offs) among multiple ecosystem services (e.g., between provisioning and regulation services (Carpenter et al 2009;Maas et al 2016). As for social science, understanding for sustainable use of natural resources use are often limited due to the lack of scientific knowledge about the consequence of economic activities and consumption on the loss of biodiversity and ecosystem services, and due to insufficient communication among scientists, stakeholders and local citizens with different interests and demands (Dornelas et al 2014).…”

Section: Introductionmentioning

confidence: 99%

TSUNAGARI: a new interdisciplinary and transdisciplinary study toward conservation and sustainable use of biodiversity and ecosystem services

Nakaoka

Sudo

Namba

et al. 2017

Ecological Research

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The expanding economical activities have accelerated losses of biodiversity and ecosystem services, which are especially pronounced in Asia. To find solutions to stop these losses, a group of scientists studying both ecological and social sciences has launched an interdisciplinary research network, entitled TSUNAGARI (Trans-System, UNified Approach for Global And Regional Integration of social-ecological study toward sustainable use of biodiversity and ecosystem services). The project is based on two main perspectives: (1) integrating different disciplines of environmental research across multiple spatial scales, and (2) evaluating the importance of ecosystem connectivity between land and ocean for biodiversity and ecosystem services. The integrative studies have been started as follows: (1) integrating global-scale analyses of biodiversity and economy by developing GIS-based footprint analysis, (2) establishing the link between the studies of local good practices of ecosystem management and life cycle assessment on ecosystem good and services, (3) linking local-scale ecosystem studies to decision making processes for sustainable society by multiple stakeholders, and (4) upscaling local analyses of ecosystem processes to broad-scale analyses of ecosystem patterns. The proposed approaches are considered effective to solve problems that impede conservation of biodiversity and sustainable use of multiple ecosystem services in various situations although we also find some gaps such as regional biases in biodiversity data and involvement of different types of stakeholders. By overcoming the major bottlenecks, we believe the new integrated approaches will promote conservation and sustainable management of biodiversity and ecosystem services research, and contribute to advance decision-making processes from local communities to international levels.

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Regional Comparison of the Ecosystem Services from Seagrass Beds in Asia

Cited by 9 publications

References 44 publications

Variation in macrofaunal communities of sea grass beds along a pollution gradient in Bolinao, northwestern Philippines

Variation in macrofaunal communities of sea grass beds along a pollution gradient in Bolinao, northwestern Philippines

Distribution, Temporal Change, and Conservation Status of Tropical Seagrass Beds in Southeast Asia: 2000–2020

TSUNAGARI: a new interdisciplinary and transdisciplinary study toward conservation and sustainable use of biodiversity and ecosystem services

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