Showing posts with label humpback. Show all posts
Showing posts with label humpback. Show all posts

Saturday, May 26, 2012

Social media used to collect information on marine wilderness

Murdoch University

Researchers from Murdoch University's Cetacean Research Unit are working with colleagues from Duke University in the US and Marine Ventures Foundation on an innovative project that will use social media to collect information on one of the world's last great marine wildernesses. Ashley Yeager from Duke University explains.

Just offshore from the rust-colored cliffs of northwestern Australia lie what could be the world's richest petroleum and natural gas fields. The site is also "the last great marine wilderness left on Earth," said Duke University marine biologist Dave Johnston.

To study the remaining wilderness, Johnston has teamed with a Duke alumnus and Australian colleagues at Murdoch University to create a citizen science experiment that will collect observations of the one of the last great marine wildernesses on earth by local residents, traditional owners and tourists through social media tools.

"Our greatest concern is that the traditional environmental assessment process is overwhelmed," said team member Associate Professor Lars Bejder, a marine biologist in Murdoch's Cetacean Research Unit. "The current approval process does not allow sufficient time to document baseline information on the ecosystems of Northwestern Australia through standard scientific means and still keep pace with the rate of development. We hope our approach can help fill some of these gaps," he said.

During several expeditions to Western Australia, the team will document the state of the coastal ecosystems, with a particular focus on the snubfin and humpback dolphins. They also hope to build a network of citizen scientists who will share their experiences in the region through Twitter, Flickr, Facebook and YouTube updates. The updates will automatically feed, in real-time, onto an open-access map.

The team hosted their first public lecture on the project at 5:30 WST local time on May 23 at Murdoch University in Perth. This is the first, large-scale experiment in Australia to draw on citizen scientists and social media for data, and the team is not sure what the outcome will be.

"We've seen how these democratizing technologies have incredible power to affect lives. Now, they could do the same for the environment," said team member Thomas McMurray, who earned his doctoral degree in engineering at Duke and serves on the board of visitors for its Nicholas School of the Environment. McMurray is also president of the Marine Ventures Foundation, which, with support from BlueCloud Spatial, will provide the technical support to make the scientists' and citizens' data publicly available.

The main site of research will be in the Kimberley, home to 40,000 Aboriginal Australians. Endangered sea turtles lay eggs on the region's shores, and just offshore an estimated 28,000 humpback whales breed in the winter. The nearshore coastal waters are also home to the little-known Australian snubfin and humpback dolphins.

Bejder and Johnston are particularly concerned about the dolphins because of the lack of information on the abundance, habitat needs and behaviors of the two species. The government has designated certain areas as marine sanctuaries to protect the breeding grounds of humpbacks and other fragile marine ecosystems. But many of those protected regions border on, or overlap with, sites rich in natural resources and the sanctuaries have not been completely set apart from development.

"There's billions of dollars of natural gas out there that could make the country rich," McMurray said. "With the shaky state of the world economy and close proximity to China, the oil and gas available in the region and at other sites could turn Australia into an energy superpower that could rival Venezuela and Saudi Arabia." He said that the Australian government may be faced with difficult choices when balancing the development of wealth-building resources with the conservation of biological and cultural ones.

In 2010, oil and gas industries achieved record growth in Western Australia, exporting nearly $103 billion USD. Another $253 billion USD of projects are scheduled or already under construction. "The region is clearly open for business. But what’s not clear is how the development of oil and gas resources will affect many species or the habitats they rely on," Johnston said.

To support the growing industry, the government has approved great expansions to the region's industrial ports. The construction includes digging hundreds of millions of gallons of sand from beneath port waterways to make them navigable to larger ships. Moving all of that sand and sediment is causing unprecedented, large-scale changes to coastal habitats, which "are likely to affect species such as coastal dolphins that are dependent on the same nearshore environment," Bejder said.

As the different types of data accumulate, the team will be able to apply new analytical tools to figure out how and where human activities and marine resources overlap and potentially conflict. The data and the map may "help provide transparency on what oil and gas companies are doing," McMurray said.
Related expert in this field:
Lars Bejder

Dr Lars Bejder

Impact of tourism on whales and dolphins
Dr Lars Bejder leads the world’s largest study into the impact of tourism on whales and dolphins, and Murdoch’s Cetacean Research Unit.
His research on the impact of whale watching in Shark Bay led to the Western Australian Government’s decision to decrease the number of licensed dolphin watching tour operators in the state to ensure sustainability.
Dr Bejder’s research is also helping the Hawaiian State Government in the US to create legislation protecting their native dolphins from the impact of tourism.
For more information, or to contact this expert, please get in touch with Val McFarlane

Thursday, January 26, 2012

Press Release: 2011 Kimberley Cetacean Report Released



PRESS RELEASE

Kimberley Whale Watching has just released their 2011 Kimberley Cetacean Report 2011.  The report highlights the importance of the Dampier Peninsula and the Kimberley's outer shoals and reefs to the Breeding Stock D population of Humpback whales.

Breeding Stock D is thought to be the world's largest population of whales and undertakes and annual migration from the frigid waters of the Antarctic to the Kimberley's warm tropical waters to mate and give birth.

Richard Costin of Kimberley Whale Watching says "the Commonwealth Government should reassess its priorities and the boundaries for the proposed Kimberley Marine Reserve, and extend the boundaries along the Dampier Peninsula south to Eco Beach and upgrade the classification to IUCN 2.

"This is essential" Mr Costin says "to provide protection for the main breeding grounds for the Breeding Stock D population of Humpback whales.

The report is available for download from Kimberley Whale Watching's website: www.kimberleywhales.com.au

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Thursday, November 10, 2011

Murdoch researchers slam gas hub report


Murdoch researchers slam gas hub report

Updated November 11, 2011 15:29:42

A key document examining the potential impact on marine mammals of a proposed liquefied natural gas precinct near Broome has drawn criticism from scientists.

A team from Murdoch University's Cetacean Research Unit says it has very little confidence in the report's scientific integrity and what it calls its "unfounded" conclusions.

The "Strategic Assessment Report", prepared by the Department of State Development, is designed to provide advice to the State and Federal governments on whether to give final approval to the gas hub which would span 3,530 hectares of land and sea at James Price Point, north of Broome.
The document's many findings include a prediction that activities associated with the LNG hub are unlikely to have an impact on dolphins in the area because the animals are likely to exhibit avoidance responses such as faster dive times and high-speed swimming.

The report also found that dugongs are not likely to be affected by a loss of seagrass due to dredging because they will relocate to adjacent areas to look for food.
On the subject of the estimated 13-thousand humpback whales that migrate through the area each year, the report found they successfully cross shipping corridors with little evidence of vessel strikes further south at Port Hedland and Dampier ports.

But, in a scathing submission, four scientists from Murdoch's Cetacean Research Unit have questioned many of the report's findings.

"There has been no targeted effort to identify and quantify the abundance of dolphin species ... this is a glaring omission in the Environmental Impact Assessment," the submission says.

"Thus the conclusion that the activities associated with the development of the precinct port area is unlikely to impact these species (humpback dolphin, snubfin dolphin) is unsubstantiated and based on field efforts that were aimed at quantifying humpback whale and dugong numbers only."
The unit's Amanda Hodgson told the ABC that a Murdoch University research team had recorded multiple groups of snubfin, Indo-Pacfic humpback and bottlenose dolphins just north and south of James Price Point during a boat-based survey in July last year.

"The coastal dolphins that we know occur along the Dampier Peninsula include humpback and snubfin dolphins and both of those species generally have small populations, small home ranges and they rely on very specific habitats ... so they can't just avoid the area if they're disturbed by this development," she said.

"The broad conclusions that they've come to are not necessarily supported by the scientific literature."
The report's assessment of the impact on dugongs has also been questioned by the Murdoch team which cited the case of Hervey Bay in Queensland where they say the widespread loss of seagrass from a cyclone resulted in the death and emigration of many dugongs.

On the subject of humpback whales, the scientists argue many of the findings in the report are "unreliable".

They have described the report's prediction that whales will successfully cross shipping corridors as "inappropriate" because it is based on a study of just three, satellite-tagged whales traversing the Port Hedland and Dampier Port areas in September, 2010.

"We certainly know that humpback whales get hit by boats and are disturbed by boats," Dr Hodgson said.
"There's plenty of literature to suggest that the impact of boat strikes is significant on humpback whales."
The Department of State Development has defended the report, saying it is based on the findings of work by reputable scientists.

The department says it has received more than 11,000 submissions since the report was released for public comment late last year and that draft responses have been prepared for about 1,000 issues raised in the submissions.

The State's Environmental Protection Authority is expected to make a recommendation to the WA Environment Minister, Bill Marmion, on whether the gas hub should go ahead, and under what conditions, in February.

The project also needs to be approved by the Federal Environment Minister, Tony Burke.

Wednesday, November 9, 2011

IFAW Releases new Cetacean Report


(Sydney) - Australia’s last great whale haven, the North West marine region, is under threat from unconstrained development by the oil and gas industry, and the Australian Government’s proposed Bioregional Plan offers little protection, according to a new report released today by IFAW (the International Fund for Animal Welfarewww.ifaw.org).

The report, written and reviewed by some of Australia’s leading marine scientists, reveals that this relatively untouched area has an incredible diversity of whales and dolphins. It also identifies several important areas for whales and dolphins that are not protected under the government’s draft plan.  The report underscores the need for more protected areas and further research about the animals that live there.

“At the same time as the government has opened its token map of reserves for public comment, it is handing out vast tracts of ocean to oil and gas companies,” said Matt Collis, IFAW Oceania Campaigner.
 
“The rampant oil and gas development in the region has brought significant threats to whales and dolphins, including endangered species.  It is noisy, toxic, and dangerous and when something goes wrong it can be catastrophic, as evidenced by the Montara oil spill.

“With the future of Australia’s last great whale haven in their hands, the government and industry have an immense responsibility to provide more stringent protection measures. Before any new leases are issued we are calling for more protected areas, more transparent research and stronger policies addressing the industry threats such as increased shipping, pollution and noise,” Mr Collis said.

Some 32 different species of whales and dolphins live in or migrate through the area, including the recently discovered Australian snubfin dolphin and the world’s largest, yet still recovering, population of humpback whales. The government’s draft plan effectively ignores 28 species by only taking into consideration four species and even the level of protection offered to these four is inadequate.

“All the indications are that this is an incredibly special region.  To jeopardise the area before we fully understand it is like throwing away a gift before unwrapping it,” said Mr Collis.
Support IFAW’s call for greater protection at www.ifaw.org, find us on facebook.com/ifawoceania
Note
• A summary of the report is available here and a full version can be found here.
• IFAW is part of an alliance of conservation organisations pushing for greater protection for marine areas - www.saveourtropicalsealife.org


For media-related inquiries, contact:
Imogen Scott (IFAW Oceania)
Tel: + 0402 183 113
Email: iscott@ifaw.org