See full version: Climate change, tourism and the Great Barrier Reef: what we; know
The Guardian reported that all mention of Australia has been removed from the report released on Friday. An Environment Department spokesperson was quoted as saying that “recent experience in Australia had shown that negative commentary about the status of World Heritage properties impacted on tourism”.
Allison Anderson does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond the academic appointment above.
Researchers in the region are working to collect data from tourists about how their pre-existing perceptions of coral cover and colour match their actual experiences. [links]
Boat anchors can cause considerable damage to coral reefs, including coral breakage and fragmentation. Larger ship anchors and heavy chains can break or dislodge corals, resulting in damaging vast areas of coral reef. While smaller ships cause less damage, areas of heavy recreational boating may also have serious consequences for coral reefs. Anchoring impacts have been partially alleviated due to the installation of mooring buoys in many locations, but anchoring of small vessels on reefs remains a chronic problem over reefs in many developing countries. ref here
Vessel groundings can result in catastrophic effects on coral reefs, not only smashing and dislodging corals, but shattering the reef framework (e.g., in Florida and Bermuda). ref While much of the large-scale damage to reefs has been caused by freighters, similar damage is feasible from cruise ships. For example, in the Virgin Islands, a 200 foot cruise ship anchored in 4 meters depth had damaged coral communities over an area of 5,300 square meters. ref [links]
Fish feeding has been shown to result in a number of negative changes in fish behavior, including changes in time spent obtaining food, the size of the animal’s home range, reproductive activity, population density, migration patterns, and species composition due to an increase in the larger, more aggressive species. ref Fish feeding has also been shown to greatly increase the aggressive behavior of the larger species and may result in divers being bitten.
The incidences of coral damage from diver contact inspired the concept of diver carrying capacity . ref While this approach has been applied to numerous reefs throughout the tropics, some conservation organizations suggest assessing carrying capacity may have limited practical value. ref Quantifying carrying capacity ( opens in a new window pdf) can be challenging; it varies widely based on ecological conditions of a reef, potential resilience of a reef, and visitor behavior. here
SCUBA divers typically have more impacts on corals than snorkelers, particularly divers wearing gloves and photographers with equipment. ref This is because snorkelers mainly float above the corals on the surface of the water, and damage to corals is usually limited to shallow water areas where snorkelers can either stand directly on or kick corals. ref
Tourism is concentrated in about 7 per cent of the total Great Barrier Reef Marine Park. On average, 86 per cent of tourism visits occur within waters adjacent to Cairns, Port Douglas and the Whitsundays. Since 2014, Cairns, Port Douglas and the Whitsundays have remained the highest use areas for marine tourism. more
The Reef’s health is critically important to the stability and value of the Reef tourism industry. Declines in Reef health through climate change impacts (particularly marine heat waves), cyclones (Cyclone Debbie in 2017) (Outlook Report 2019) and associated media coverage, have significantly impacted tourism visitation. Other events such as the 2019-2020 bushfires, global financial crises, and particularly the Covid-19 novel coronavirus pandemic, have all had further significant impacts on tourism visitation.
As the largest economic contributor to the Australian economy from reef-dependent activities in the Great Barrier Reef Marine Park, marine tourism supports more than 60,000 jobs and provides access for more than 2 million tourists each year. more
The Great Barrier Reef is recognised as providing unique, high-standard and world-class tourism experiences. Its long-term attractiveness as a tourism destination is largely based on the Great Barrier Reef being the world's largest, best-known and best-managed coral reef which is home to a spectacular and diverse array of species.
Through targeted stewardship programs the Great Barrier Reef Marine Park Authority works with Reef-dependent industries to raise awareness, design quality interpretation and encourage best practice actions.
This is a hefty question, especially since the Great Barrier Reef has been around for somewhere around 500,000 years. With all the various threats that are posed against the Great Barrier Reef, is it possible to predict how long it may last? [links]
While that doesn’t seem too far away, it is only 30 years away. Large percentages of the Great Barrier Reef have been lost in recent years. [links]
The biggest threat to the Great Barrier Reef is climate change and global warming. While there are other factors endangering the Great Barrier Reef, climate change and global warming are making a big negative impact. here
Starfish is a common marine life animal to see among the reef, however, deadly outbreaks of them do occur on the Great Barrier Reef. These deadly outbreaks are swarms of starfish that eat the coral of the reef.
These swarms devour far too much of the reef and endanger it. These outbreaks are said to happen either organically, from pollution, or from overfishing where their predator is no longer present.
Throughout the years, the Great Barrier Reef has created such an incredible ecosystem and its loss would ultimately break down this ecosystem.