Preface to the special issue on eutrophication and HABs: the GEOHAB approach

Glibert, Patricia M.; Zhou, Mingjiang; Zhu, Mingyan; Burford, Michele A.

doi:10.1007/s00343-011-0501-0

Cited by 15 publications

(8 citation statements)

References 37 publications

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“…As a result of increased nutrient inputs, the chlorophyll a concentration in the CRE also increased dramatically since the 1980s (Wang, 2006). Increased frequency of HABs in coastal waters of China since the 1980s was related to elevated use of nitrogen-based fertilizer which caused productivity increases (Glibert et al, 2011). Significant increases in fishery catch in the ECS since the 1980s (Gao et al, 2008) was also used as an indirect evidence of productivity increases.…”

Section: Changes Of Phytoplankton Productivitymentioning

confidence: 97%

“…Previous studies have attributed environmental and ecosystem changes near the CRE to enhanced anthropogenic activities (Liu et al, 2002;Wang et al, 2004;Wang, 2006;Zhou et al, 2008;Gao and Wang, 2008;Glibert et al, 2011). Increased fertilization and industrial development caused significant increases of DIN concentrations in the Changjiang River and the increases of DIN discharges to the ECS since the 1950s (Wang, 2006;Zhou et al, 2008;Gao and Wang, 2008).…”

Section: Changes Of Phytoplankton Productivitymentioning

confidence: 97%

“…For example, it has been shown that increases of DIN concentration in the CR have been the main causes of productivity increases in the CRE over the last few decades (Wang, 2006;Zhou et al, 2008), and eutrophication is one of the main drivers of hypoxia area expansion near the CRE from 1959 to 2006(Zhou et al, 2009. For the ecosystem, the most noticeable changes have been characterized by decreased biodiversity (Wang et al, 2004) and the increased frequency of harmful algal blooms (HABs) in the coastal areas since the 1970s (Zhou et al, 2008;Glibert et al, 2011). The increases in dinoflagellate blooms since the 1990s (Zhou et al, 2001) are correlated with decreased Si/N in the CRE.…”

Section: Introductionmentioning

confidence: 96%

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Upwelling and anthropogenic forcing on phytoplankton productivity and community structure changes in the Zhejiang coastal area over the last 100 years

et al. 2014

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Phytoplankton productivity and community structure in marginal seas have been altered significantly during the past three decades, but it is still a challenge to distinguish the forcing mechanisms between climate change and anthropogenic activities. High time-resolution biomarker records of two 210 Pb-dated sediment cores (#34: 28.5°N, 122.272°E; CJ12-1269: 28.861 9°N, 122.515 3°E) from the Min-Zhe coastal mud area were compared to reveal changes of phytoplankton productivity and community structure over the past 100 years. Phytoplankton productivity started to increase gradually from the 1970s and increased rapidly after the late 1990s at Site #34; and it started to increase gradually from the middle 1960s and increased rapidly after the late 1980s at Site CJ12-1269. Productivity of Core CJ12-1269 was higher than that of Core #34. Phytoplankton community structure variations displayed opposite patterns in the two cores. The decreasing D/B (dinosterol/brassicasterol) ratio of Core #34 since the 1960s revealed increased diatom contribution to total productivity. In contrast, the increasing D/B ratio of Core CJ12-1269 since the 1950s indicated increased dinoflagellate contribution to total productivity. Both the productivity increase and the increased dinoflagellate contribution in Core CJ12-1269 since the 1950-1960s were mainly caused by anthropogenic activities, as the location was closer to the Changjiang River Estuary with higher nutrient concentration and decreasing Si/N ratios. However, increased diatom contribution in Core #34 is proposed to be caused by increased coastal upwelling, with higher nutrient concentration and higher Si/N ratios. . 2014. Upwelling and anthropogenic forcing on phytoplankton productivity and community structure changes in the Zhejiang coastal area over the last 100 years. Acta Oceanologica Sinica, 33(10): 1-9,

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Section: Changes Of Phytoplankton Productivitymentioning

confidence: 97%

Section: Changes Of Phytoplankton Productivitymentioning

confidence: 97%

Section: Introductionmentioning

confidence: 96%

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Upwelling and anthropogenic forcing on phytoplankton productivity and community structure changes in the Zhejiang coastal area over the last 100 years

et al. 2014

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“…This CRP laid out a roadmap for international research, focusing on the following questions: Members of the CRP focused on establishing collaborative international comparative projects, with eutrophication being a core component of regional and national programs such as CEOHAB in China, the GEOHAB Asia program, and the US Harmful Algal Research and Response National Environmental Strategy (HARRNESS, 2005). Over the lifetime of GEOHAB, this CRP conducted two OSMs (Baltimore, USA, and Beijing, China), produced two special issues on HABs and eutrophication (in Harmful Algae and the Chinese Journal of Oceanology; Glibert et al, 2008bGlibert et al, , 2011, and published a position paper identifying the negative consequences of urea fertilization for enhanced carbon sequestration and fisheries production (Glibert et al, 2008a).…”

Section: Habs In Eutrophic Systemsmentioning

confidence: 99%

GEOHAB–The Global Ecology and Oceanography of Harmful Algal Blooms Program: Motivation, Goals, and Legacy

Kudela¹,

Berdalet²,

Enevoldsen³

et al. 2017

Oceanog.

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In 2001, the first international research program focusing exclusively on harmful marine algae, GEOHAB (Global Ecology and Oceanography of Harmful Algal Blooms), was established by the HAB research community, under the sponsorship of the Intergovernmental Oceanographic Commission of UNESCO and the Scientific Committee on Oceanic Research. Its mission was to foster international cooperation to advance understanding of HAB dynamics and to improve our ability to predict them. The main efforts were focused on (1) the physiological, behavioral, and genetic characteristics of harmful microalgal species, and (2) the interactions between physical and other environmental conditions that promote the success of one group of species over another. GEOHAB was designed to study HABs with a view to integrating global data from comparable ecosystems. With an international, multidisciplinary, and comparative approach, GEOHAB advanced our understanding of the mechanisms underlying population dynamics of HABs within an ecological and oceanographic context and from an ecosystem perspective at the regional scale. GEOHAB encouraged combined experimental, observational, and modeling tools, using both existing and innovative technologies in a multidisciplinary approach, consistent with the multiple scales and oceanographic complexity of HAB phenomena. GEOHAB established the basis for continued international efforts now and into the future in order to better understand and predict the global complex phenomena of harmful algal blooms.

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“…4). 89,90,91 In this case, the causative nutrients originate in the upper reaches of the Changjiang River and are transported offshore with the flow of the river.…”

Section: East China Seamentioning

confidence: 99%

Harmful Algal Blooms in Asia: an insidious and escalating water pollution phenomenon with effects on ecological and human health

Glibert

2014

ANE

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Preface to the special issue on eutrophication and HABs: the GEOHAB approach

Cited by 15 publications

References 37 publications

Upwelling and anthropogenic forcing on phytoplankton productivity and community structure changes in the Zhejiang coastal area over the last 100 years

Upwelling and anthropogenic forcing on phytoplankton productivity and community structure changes in the Zhejiang coastal area over the last 100 years

GEOHAB–The Global Ecology and Oceanography of Harmful Algal Blooms Program: Motivation, Goals, and Legacy

Harmful Algal Blooms in Asia: an insidious and escalating water pollution phenomenon with effects on ecological and human health

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