Tag: bleaching

Governance, socio-economic and political issues threaten Maldives’ reefs: study

Governance, socio-economic and political issues within the Maldives are reducing the ability of local, atoll and national management to address threats to coral reefs nationwide, according to a recently published study.

The extent of coral reef recovery following the 1998 and 2010 bleaching incidents was collaboratively studied by Reef Check, the Marine Conservation Society and Biosphere Expeditions, with the results recently published in the expedition report entitled “Little and Large: Surveying and Safeguarding Coral Reefs and Whale Sharks in the Maldives”.

“Given the severity of the initial catastrophic bleaching [in 1998], there has been a moderate to good recovery of corals in the central Maldives atolls… [however] most coral communities in the central reefs are still recovering from the massive bleaching event,” the study found.

Furthermore, human activities causing local environmental pollution and global climate change impacts are “suppressing recovery” from coral bleaching incidents for reefs nearer to “more heavily populated centres” as well as threatening sustainable “maintenance of the very corals on which the Maldives exist,” the report noted.

“[However] the potential for a full recovery of Maldives corals in many sites is good,” it continued.

The report identified numerous government and management shortcomings that exacerbate the threats impeding reef recovery in the Maldives, despite ongoing government efforts to establish Marine Protected Areas (MPA) as well as reduce carbon emissions nationally and internationally.

Governance problems must be addressed if the Maldives is to achieve UNESCO Biosphere Reserve status for the entire island nation, the study emphasised.

Governance shortcomings harm reef resilience

Political instability and the recent economic downturn in the Maldives have shifted immediate priorities away from marine conservation, according to the report.

“Unfortunately, the monitoring budget for the [Maldives] Marine Research Centre (MRC) appears to have been drastically cut in the recent past, with little information coming out of the MRC in terms of reef conditions,” noted the study.

There is also “inadequate investment in enforcing” environmental conservation laws, particularly in MPAs.

“Enforcement has been undervalued as a net contributor to the nation’s wealth, because economic returns from such an investment are not easily apparent or quickly attainable,” the study explained.

Inadequate reporting of rapid environmental degradation was a key concern highlighted in the study, because this destruction has “degraded the natural capital of the islands and the reefs that support local and tourist islands.”

Reefs have been “heavily modified” over the past 30 years – due to the lack of “concurrent precautionary management” – as “resource exploitation has expanded to meet the demands of an increased human / tourist population,” the report added.

Education and awareness regarding sustainable reef management is lacking, as balancing environmental resource extraction with protection is not included in the national curriculum, according to the report.

Meanwhile, business and tourism remain heavily dependent on a carbon-based economy due to the Maldives’ geographic remoteness, the study noted.

Given that the “Maldives’ islands are entirely, naturally made from the fine coral sand washed up onto the very shallowest coral platforms, with the highest point reaching approximately 2.4 meters above sea level” the study emphasised the importance of correcting these governance issues for reef protection.

Reef destruction threatens Maldives’ survival

Coral reefs play an unrivalled role in the Maldivian culture, lifestyle, and for fisheries relative to most other Indian Ocean states, in addition to supporting an expanding tourism and recreation industry, noted the study.

Human activities such as “tourism, reef fishing, coral mining, dredging, reclamation and the construction of maritime structures and pollution represent most impacts on coral reefs,” the study identified.

Overfishing of keystone species that are important for keeping reef predators in check, as well as inappropriate atoll development, sedimentation, and pollution were also identified as key threats.

Climate change induced impacts including sea surface temperature increases and seawater acidification from increasing concentrations of atmospheric carbon dioxide are, respectively, leading to coral bleaching as well as decreased coral skeletal strength, growth rates, and reproductive outputs. Carbon dioxide levels in the atmosphere need to be reduced to less than 350 parts per million, the report noted.

The mutually reinforcing combination of these threats will have “detrimental consequences” for the Maldives unless national and local government, tourism, and local island groups manage the local and global impacts threatening reefs, the report emphasised.

“Only with the development of capacity-building, training and resources committed to conservation at the local atoll and island level will mitigating measures be implemented,” stated the study.

Proactive island level sustainable environmental management is essential for coral reef health and recovery from previous “catastrophic, massive bleaching”, the report recommended.

This includes establishing and promoting sustainable fisheries that protect species from overfishing, including enforcing and expanding “no-take zones” for one in every three reefs, particularly around grouper spawning locations.

“Pollution must [also] be tackled” to prevent algal growth, which harms reef health.

The study concluded that “local islands, their political administrators and resorts should adhere and enforce these environmental standards, where possible, in order to stave off the most severe detrimental effects of climate-driven change to the health of the reefs.”

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Maldives launches US$3.38 million eco-tourism wetland conservation project

With the launch of a US$ 3.83 million eco-tourism wetland conservation project, the Maldives continues to push forward with climate change mitigation and adaptation initiatives, aiming to serve as a model for small island states.

The Environment Ministry eco-tourism initiative will create wetland conservation areas and enhance drainage systems on Hithadhoo Island – an administrative district of Addu City – and on Fuvahmulah Island, in the far south of the Maldives.

The project aims to address climate change impacts by mitigating flooding and erosion due to storm surge, enhance fresh water security, as well as create economic benefits from these sustainable conservation initiatives. Additional mitigation and adaptation components of this Climate Change Trust Fund (CCTF) supported project include coral reef monitoring in Kaafu Atoll, and rainwater harvesting on Ukulhas Island in Ari Atoll.

“This is the first such project in the Maldives with a conservation plan to develop eco-tourism on an inhabited island. Developing a firm and systematic plan to manage and gain economic benefits from these wetland areas could play a vital role in changing the interpretation of the people regarding them,” Environment Minister Dr Mariyam Shakeela told local media during the project’s inauguration ceremony yesterday (May 7).

“We strongly believe that the environment is the only asset that the Maldives has to market ourselves to the international community,” Vice President Mohamed Waheed Deen said while speaking at the project launch.

“Our beauty, whether it is underwater, above water, or wetlands, these are all God’s blessings, nature’s blessings. Unless we know how to look after God’s blessings they will disappear,” he added.

The Vice President also thanked the international community and project donors for recognising that the Maldives has been a minor contributor to global pollution, particularly greenhouse gas emissions, but has “quite unfortunately become a victim” of the resulting climate change impacts.

“I sincerely support the world community for lending support to the Maldives because we believe this is the only way we can make our land, our assets economically viable, and sustainable,” stated Deen.

He emphasised that once the environment has been degraded, it is not possible to restore to its original pristine state, therefore properly implemented environmental conservation can also develop the Maldives’ economy.

Deen noted that the Maldives’ environmental policies have “never changed” and the current government are also “strong environmentalists”, akin to former President Maumoon Gayoom and former President Mohamed Nasheed.

“The Government of Maldives will assure you that the environmental policy maintained by the last two presidents is still maintained,” he stated.

Community-based conservation

The Wetlands Conservation and Coral Reef Monitoring for Adaptation to Climate Change (WCCM) project will be implemented in three phases over 18 months, to be completed in September 2014.

Phase one consists of developing a conservation plan, designing an eco-tourism methodology, and improving water drainage systems. During phase two, eco-tourism facilities will be established in addition to continued water drainage “system rehabilitation”. Phase three includes commissioning a RAMSAR (convention) wetland and national park with eco-tourism.

“The idea is that these are terrestrial wetlands, in the vicinity of the community, so we are trying to manage these protected areas with the help of the community,” Environmental Protection Agency (EPA) Environment and Social Safeguards Coordinator Ibrahim Mohamed told Minivan News yesterday.

Mohamed explained that the nearby communities will be the main implementing partners managing the wetland areas and local NGOs are hoped to contribute as well. A “pool of people” will be trained to manage the areas and act as tour guides.

“There will be a visitor centre and a fee and go into the area accompanied by tour guides, it’s going to be like a national park,” said Mohamed.

“These are very beautiful places, that you will immediately sense are very different from the rest of the Maldives, given the [large] size of the islands and the unique way they are connected.

“In Fuvahmulah there are huge fresh water bodies, swampy areas in the depressions of the islands. While the Hithadhoo wetlands are a huge area with mangroves. There are so many birds here, you will always see so many,” he added.

Spanish company Hidra has been hired to prepare the phase one components over the next five months, including the community-based wetland management plan, for which extensive public consultations – including students – are being conducted.

“Then we will start the civil works, such as making the nature trails, visitors center, and bird watching areas,” said Mohamed.

Public private partnerships

The coral reef monitoring component of this conservation project will involve partnering with resorts in Kaafu Atoll, explained Mohamed. They will be trained by the Environment Ministry to monitor water surface temperatures, erosion, biodiversity, bleaching, impacts on fish, as well as “fish landings” to determine where fish being brought to the resorts are caught.

The goal is long-term monitoring of reefs nationwide, however this project will begin by looking atfive. Currently coral reef monitoring is limited, because it primarily focuses on bleaching and is only conducted twice annually, in accordance with the monsoon and dry seasons, according to Mohamed.

“We have started developing the database and the [monitoring] protocols, which have been peerreviewed by international reef ecologists,” said Mohamed.

“The idea is that over 10 to 15 years we will know what is happening to the coral reefs, so that we can determine the impacts from climate change,” he added.

“Exemplary example for small island states”

Mohamed stated that the overall goal is for these wetland and coral reef areas – and the entire nation – to be protected and developed sustainably to become biosphere reserves.

He further explained that the idea behind this CCTF project is for the Maldives to become an exemplary example for other small island states.

“This project can be replicated anywhere in the world, all small island countries can utilize [what the Maldives has developed],” he added.

The holistic approach to wetland and coral reef conservation is necessary because the components are “so interrelated”.

“If you don’t properly manage waste there will be impacts on coral reefs, etc.,” noted Mohamed.

The CCTF serves as the “main umbrella” under which there are three projects in the Maldives: the WCCM, clean energy for climate mitigation, and solid waste management. The WCCM in particular is supported with donated funds from the European Union and Australian Aid, and managed by the World Bank.

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Maldives suffering worst coral bleaching since 1998

The Maldives is currently suffering the most serious incidence of coral bleaching since the major 1998 El Niño–event that destroyed most of the country’s shallow reef coral.

Coral bleaching is caused when rising water temperatures stress the coral, leading it to expel the algae it uses to obtain nutrients. When water temperatures rise even slightly, algae leaves the coral polyp and enters the water column, causing the coral to lose its colour and eventually die.

Reports of bleaching have been trickling in from marine biologists and researchers across the country.

Hussein Zahir from the Marine Research Centre (MRC) has been collecting reports of the bleaching, and said that based on his estimates, “10-15 percent of shallow reef coral is now completely white, while 50-70 percent has begun to pale.”

Senior Marine Biologist Guy Stevens, based at the Four Seasons Resort in Landaa Giraavaru, said that he had noticed that bleaching was beginning to occur last year “after a change in the weather linked to El Niño. The last one in 1998 was pretty catastrophic, and reefs in the Maldives have been recovering ever since.”

“It had a huge impact across the Indian Ocean, and the Maldives was most affected – pristine reefs suffered coral mortality rates of 95 percent,” Stevens explained. “At the time people were mortified and scientists were predicting the end of the reefs – coral is the foundation of the whole reef ecosystem.”

Picture1
Coral in North Male Atoll at different stages of bleaching

Since the devastating El Niño in 1998, marine biologists in the Maldives “have been holding their breath for the next one. In the meantime the coral has been slowly recovering. It was pretty depressing in 2003, but roll forward to 2010 and it’s starting to look good again. It recovers exponentially.”

Meanwhile, colleagues of Stevens based in Thailand, which escaped largely unscathed in 1998, have reported coral mortality rates “of up to 100 percent.”

“The hot spots move around, but they cover a big area and the coral here could easily take another hit,” Stevens commented.

Zahir noted that temperatures this year were following similar patterns to those of 1998, with a surface temperature in April of one degree above the long term average.

However the recent drop in temperature, brought on by rain and the onset of the southwest monsoon, has lowered the surface sea temperature and brought some relief, “and may give the coral time to recover.”

“Now the temperature has dropped from 32 degrees to 29-30 degrees, so hopefully things will improve. The conditions are right for the coral to become healthy again,” Zahir noted, however he emphasised the need for the tourism industry to assist with monitoring the bleaching.

“Here in the Maldives we have a vast reef area, and the MRC has very little capacity to do surveys. From the very beginning we’ve been running a bleach-watch reporting programme with the dive industry, but for some reason the feedback has been very disappointing. There’s a hundred resorts, but I can count on my fingers the ones who are working to raise awareness. I know it might impact on their marketing, but this needs to be documented.”

All the MRC required was GPS coordinates and an indication of how much bleaching was occurring, he explained.

In the meantime, both Stevens and Zahir noted that there was little that could be done to prevent further bleaching.

Picture2
Cooler temperatures may have averted disaster

“There is very little we can do, especially in a resort environment, other than reducing human impact on the reef while it recovers – that means ceasing things like sand-pumping and beach renewal on a daily basis, while the reef is especially vulnerable to sedimentation,” Zahir explained.

Verena Wiesbauer, a marine biologist at Male-based consultancy Water Solutions, said she had just returned from visiting two islands in North Male’ Atoll and had documented heavy coral bleaching.

“The reefs had only just recovered, and now it’s struck again. It’s a big setback,” she observed.

“Fortunately it’s not as bad as 1998, and now the temperature is dropping. But I hope someone will keep track of the paling coral, to see if it gets its colour back.”

Wiesbauer added that the bleaching did not appear to have affected fish numbers yet, and suggested that “many fish don’t need live coral as long as the structure is there for them to hide in, and many algae feeders don’t mind [bleaching] at all. But there are some specialist coral feeders we need to watch for changes.”

Meanwhile, like Zahir, Stevens observed that the tourism industry appeared to have been in no hurry to report that bleaching was occurring.

“That’s something the resorts obviously don’t want to publicise,” Stevens commented. “But I don’t think it’s any good burying our heads in the sand, when there’s going to be no sand left to bury our heads in.”

The artificial coral breeding programs run at many resorts were well-intentioned, “but rather like putting a band-aid on a gushing wound.”

“It doesn’t address the issue. Rather [breeding programmes] are a tool to raise awareness and alleviate pressure on the local reef. But there are things like sand-pumping that resorts should halt during periods of bleaching because it makes the problem worse,” he said, concurring with Zahir.

“Otherwise there’s very little we can do – it’s really a global issue. We haven’t seen a reduction in fish life, turtles and mantas, and it seems those parts of the ecosystem can survive while the reef structure is at least in place, but overall I think we’re going to see a gradual decline. Coral reefs may be the first ecosystem we’ll lose on our planet.”

Images courtesy of the Marine Research Centre (MRC).

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