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Horseshoe Crab and Shorebirds in Delaware Bay New Jersey

The Delaware Bay, 39.1202° N, 75.2479° W, is an estuary and outlet from the Delaware River. This bay is bordered by Delaware and New Jersey in the United States. The bay in total boasts 782 square miles (2031 km2) and is an important place for both rich and natural coastal flora and fauna. It is known, in particular, for its concentrations of migratory Arctic shorebirds and its beaches where horseshoe crabs lay their eggs.

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In 2015, there were 95 million visitors to New Jersey, 12.5 million of those visitors went to Cape May County. Out of those 12.5 million, 24.8% visited Cape May County for nature-based tourism and 11.3% specifically for birding tourism. 

Currently, in Cape May County, there are 6 protected areas of all different sizes and classifications.

The Delaware bays beaches are crucial feeding grounds for many migratory shorebirds, including the endangered Red Knot subspecies, Calidris canutus rufa, and the Semipalmated Sandpiper, Calidris pusilla. On their spring migration to the Canadian Arctic, these birds rely on eating horseshoe crab eggs for fuel. The horseshoe crab, Limulidae Polyphemus, is a marine invertebrate “fossil” that’s existed for 450 million years. Traditionally, the species has been used by people as fishing bait and fertilizer.

horseshoe crab in delaware new jerseyToday the harvest of horseshoe crabs is being abused. One of the main reasons is for their extremely valuable blood. The “blue blood” of horseshoe crabs contains a chemical called limulus amebocyte lysate (LAL). This chemical is used in the biomedical industry to test for the presence of endotoxins or bacteria in intravenous systems and medical equipment. Although the pharmaceutical industry is interested to keep their valuable resource alive and bring the crabs after milking one third of their blood back to the sea, about 15% don’t survive this procedure.

The populations of horseshoe crab were at their lowest when “blue blood” harvesting became prominent. Population data was not existent prior to 1990. Conserving this species and their habitats is crucial for the success of Cape May nature and birding-based tourism. Both nature-tourism and the well-being of the bay are inherently linked together.

Human interaction, harvesting, and natural disasters (Hurricaine Sandy) stress the population of this species. When the horseshoe crab population drops in this region, there is a direct link to lower shorebird populations.

Supported by beach and historical tourism, the region brings in the most revenue May through August. In recent years, this season has nearly tripled in length because of birding; the 3.5 month time-span has grown into a 10 month season. For example, last Fall, the Cape May Hawk Watch Observatory Tower brought in 25,000 people, both tourists and locals alike, and over 100,000 people for the year. The Fall months seem to be more active than the Spring months.

Whether it be the numerous birding events, staging times of migratory shorebirds, or horseshoe crabs laying their eggs, birders are travelling from all around the world to see these phenomena. There were no bird-based focal points in the township prior to 1976, now, there is a re-brand happening for Cape May emphasizing the birds, the birding community, and conservation of the bay.

red knot at the beach

 Why is your case a good example of linking tourism and conservation?

Political/Management:  Primarily financed through grants, the NJ Audubon in Cape May is researching shorebirds around the Delaware Bay. The New Jersey Department of Environmental Protection (NJDEP) has also invested its recourses to study shorebirds and has prohibited the harvest of horseshoe crabs and horseshoe crab eggs; this is the only location in the world that completely restricts their harvest.

For 20 years, Conserve Wildlife and the Endangered and Nongame Species Program (ENSP) of the NJ Department of Environmental Protection Divisionhave been researching how declining shorebird populations are directly linked to the Delaware Bay. Conserve Wildlife has also been restoring the bay since Hurricane Sandy to make a more suitable habitat for horseshoe crabs and shorebirds once again.

The National Oceanic and Atmospheric Administration (NOAA) has granted resources to Stockton University, partnering with other organizations, to remove lost and abandoned crab traps in the bay. These traps are capturing and killing wildlife. Approximately 800 traps have been recovered thus far.

The NJ Wetlands InstituteNJ Fish & WildlifeConserve Wildlife NJ, and Celebrate the Delaware Bay, along with other organizations, are protecting and rescuing horseshoe crabs in an effort called reTurn the Favor to strengthen the population.

Financial:  The NJ Audubon is committed to NJ shorebirds. The organization is located 2.5 miles (4 kilometers) away from the Delaware Bay, in Cape May. The NJ Audubon offers classes, summer camps, and events. Most of their revenue is brought in during the summer months including May and September. These months are when local tourism is at its peak, through beach tourism, shopping, dining, cultural attractions, outdoor recreation, and birding tourism alike.

In 2006, there was a study. Data showed that birding-based tourism and birding-based activities brought an extra $600 million into Cape May County. Whether it be people needing to eat in restaurants, people needing to sleep in hotels, or activity participation, birders are contributing ample amounts of money into the local economy through the economic leakage of their home regions. A portion of that income is going toward the conservation of the bay, toward protecting new areas, and toward research.

Educational:  reTurn the Favor is dedicated to educating the public on the Delaware’s threatened horseshoe crab population.

The director of the NJ Audubon Sanctuary, leads an entire building devoted toward education. The initiative is focused on educating people on why conservation of the bay is crucial. They showcase the NJ Audubon’s research and are in coalition with the Delaware River Shed. The center also facilitates night-walks, harbor safaris, and summer camps for children.

The World Series of Birding is a weekend-long event conducted by the NJ Audubon. This brings birders together from around the world to compete while bringing awareness to birding and educating the public. The competitor’s goal is to observe the most bird species within the few days.

horseshoe crab

Are there plans to further improve your example of tourism supporting conservation in the future?

Continuing with intentions to educate, research, and help horseshoe crab populations, there is no sign of stopping conservation. Events are growing, more people are travelling to Cape May County, and the birding industry is taking off. Cape May is among the top three birding destinations in the world. The cultural landscape of Cape May County is being supported by tourism.

There are many NGO’s that are currently working toward the conservation of the Delaware Bay by involving tourism. Pennsylvania has a large hub of Cape May birding enthusiasts that support its conservation through donations and volunteerism. The Pennsylvania Delaware Valley Ornithological Club makes trips to Cape May on an annual basis.

Right next to Sunset Beach, the states most southern point where many people congregate to watch the sunset, a new protected area in being planned. Where there once was a war-time magnesite plant, officials are researching and developing the 125-acre (0.51 km2) plot of land as a bird haven right along the beach.The state is spending millions of dollars on making trails for birders and tourists with hides for observing seabirds without disturbing them. Currently, a pre-construction bird survey is taking place to see what species are currently here, to see what can be done to improve conditions, and to see what can be done to attract more birds.

 

How could your example be transferred to other protected areas and how could your experience be shared with others?

Other regions could benefit from integrating Cape May’s example. A few Asian countries are home to other subspecies of horseshoe crab; Carcinoscorpius rotundicaudaTachypleus tridentatus and Tachypleus gigasare the most predominant in these areas. They exist here, but, their populations are being threatened by overharvesting as well. Developing partnership programs and inviting decision-makers to Cape May could provide an opportunity to help sustain this ancient species and other species that depend on them.

 Exposure to what’s going on is crucial; showing people how important the Delaware Bay is to birding and how powerful birding tourism is. If one does not know of their importance, or their interconnectivity, they are less likely to vote in their favor.

Continuing to promote birding tourism and the bay would be a great way one could further strengthen the bond that links them. It all starts there. The bigger the audience, the more travelers will come. This will encourage the county and businesses to put their recourses toward conservation.

Between, summer programs, tours, and fundraising events, night walks, bonfires, and weekend-long sporting events, Cape May County has made use of its local, unique, bayside beaches. Documentaries have been made about the importance of conserving the area; Birds of May and books have been written.

Educating, while putting research practices into action, may be the most important part of linking Cape May’s tourism with conservation. Between the resources made accessible, keeping people off the beaches while the horseshoe crabs are laying their eggs, and keeping a close eye on the ecosystem, there has been an example made that other protected areas can integrate.

This LT&C-Example is authored by Mike Brock. For more information contact him by email: xmikebrock@gmail.com


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News

SeaKeepers 2025: Tribute To Jimmy Buffett And Award For Emily Cunningham

The International SeaKeepers Society will host its highly anticipated Founders Event on Thursday, October 30, 2025, during the Fort Lauderdale International Boat Show—bringing together ocean lovers, conservation leaders, and marine enthusiasts to celebrate a shared passion for the sea.

This special evening will highlight two extraordinary honorees: Jimmy Buffett, posthumously recognized as the 2025 SeaKeeper of the Year, and Emily Cunningham, MBE, recipient of the 2025 NextGen Award. The Society will also celebrate the 2025 DISCOVERY Fleet, whose vessels supported vital marine research and education throughout the year.


Honoring a Legacy: Jimmy Buffett
2025 SeaKeeper of the Year

Jimmy Buffett was a legendary singer-songwriter and beloved “tropical troubadour” whose music captured the carefree spirit of coastal living and ocean adventure. Born in Pascagoula, Mississippi, and raised in Mobile, Alabama, Buffett’s career blended storytelling, humor, and escapism into anthems for beach bums, dreamers, and pirates-at-heart.
Beyond the music, Buffett was a passionate ocean advocate. His philanthropic efforts supported coral reef conservation, manatee protection, and marine ecosystem preservation—making his legacy as impactful in environmental circles as in popular culture.


Emily Cunningham smiling by the ocean, wearing a beige shirt and sunglasses on her head, with a clear blue sea and sky in the background.

Celebrating the Future: Emily Cunningham, MBE
2025 NextGen Award Recipient

Emily Cunningham is a marine biologist and global conservation leader currently directing WWF’s Global River Dolphins Initiative across 14 countries. She is also the co-founder of #Motion4theOcean, a grassroots movement advancing ocean recovery at the local government level. Emily has represented this work at global venues, including UNESCO’s Cities with the Ocean forum. With a strong commitment to youth, equity, and environmental justice, she continues to lead collaborative marine mammal research with The International SeaKeepers Society in British waters.


Event Details

Event:
2025 Annual Founders Event
Hosted by The International SeaKeepers Society

Date:
Thursday, October 30, 2025

Time:
7:00 PM – Cocktails
8:30 PM – Dinner

Location:
Pier Sixty-Six
2301 SE 17th Street
Fort Lauderdale, FL 33316

Honorees:

Jimmy Buffett, 2025 SeaKeeper of the Year

Emily Cunningham, MBE, 2025 NextGen Award

2025 DISCOVERY Fleet, for their year-round support of SeaKeepers programming

RSVP Deadline:
Friday, October 24, 2025

Contact:
Email: Marjurie@SeaKeepers.org
Phone: +1 786.924.6209


RSVP & Ticket Information

This is a ticketed event with limited capacity. RSVPs are required for entry. For ticket purchases or sponsorship inquiries, please contact Marjurie or visit SeaKeepers.org for details.


2025 DISCOVERY Fleet Recognition

SeaKeepers will recognize the contributions of its DISCOVERY Fleet, a collective of vessels that hosted marine research, educational programming, and outreach around the world. The 2025 impact spans the following regions:

  • USA, Headquarters
  • Asia & Bangladesh
  • United Kingdom
  • South Pacific

Attendees will have an opportunity to explore each chapter’s achievements and the vessels that played a vital role in supporting SeaKeepers’ mission this year.


Accommodations for Guests


As a courtesy to out-of-town guests, SeaKeepers has secured a limited number of rooms at Pier Sixty-Six Resort. Rooms are available on a first-come, first-served basis and must be reserved no later than Monday, October 6, 2025.
To book:
Call +1 954.525.6666 or follow the online reservation link provided by the resort.

Please note: After the October 6 deadline, all unclaimed rooms will be released back into general sale.

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News

Wheaton Women in Ocean Science Award Now Accepting Applications for 2025

The Central Caribbean Marine Institute (CCMI) is thrilled to announce the launch of the Wheaton Women in Ocean Science Award (WIOSA). A unique opportunity for early-career women in ocean science seeking professional growth, mentorship, and hands-on research experience.

This initiative will support one WIOSA Scholar and two WIOSA Interns, with research focused on one of the following key topics:

  • Seagrass ecology
  • Coastal blue carbon
  • Coral recruitment dynamics

The selected projects will directly support CCMI’s Blue Carbon Offset and Biodiversity Project, furthering critical research on climate resilience and marine ecosystems.

Photo credit: Blue Carbon Offset & Biodiversity – CCMI


WIOSA Scholar Opportunity

The WIOSA Scholar position is intended for a post-doctoral level researcher seeking to advance an independent research career. Scholars may propose their own research or collaborate on CCMI’s current programming. Preference will be given to projects that investigate:

  • The role of seagrass beds
  • Coral recruitment processes
  • Carbon cycling and its influence on reef and coastal resilience

Location: Little Cayman Research Centre
Fellowship Term: 2025–2027

Support Package:

  • $5,000 USD annual fellowship
  • $10,000 USD annual research support (including one month of fieldwork, diving, boat use, equipment, room and board)
  • $800 USD travel support
  • Conference travel funding to present at a regional scientific meeting

In addition, the selected scholar will mentor one of the WIOSA Interns through a transparent selection process.


WIOSA Internships

Two internship positions are available for graduate students (Master’s or PhD level) pursuing careers in ocean science. Interns will gain field-based experience by contributing to a project led by the WIOSA Scholar.

Key Requirements:

  • Certified and experienced scuba diver
  • Interest in coral recruitment, seagrass dynamics, or coastal blue carbon

Duration: 2.5 months
Location: Little Cayman Research Centre

Support Package:

  • $500 USD monthly stipend
  • $800 USD travel support
  • Room and board provided
  • One-on-one mentorship from a WIOSA Scholar

How to Apply

Application Deadline: 15 June 2025
To Apply: Email your CV and cover letter to WIOS@reefresearch.org

For full details, visit: https://reefresearch.org/about-ccmi/our-people/positions-available/


Contact

For any questions about the award or application process, please get in touch.

Abbie Dosell
Head of Fundraising and Engagement
www.reefresearch.org
facebook.com/reefresearch

 

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Art & Culture

Announcing the Winners of the 2025 Science Without Borders® Challenge

A Tribute to the Ocean’s Keystone Species:

Announcing the Winners of the 2025 Science Without Borders® Challenge

ANNAPOLIS, MD — The Khaled bin Sultan Living Oceans Foundation is proud to announce the winners of the 2025 Science Without Borders® Challenge, an international student art contest that promotes ocean conservation. This year’s theme, Marine Keystone Species, invited students to create artwork highlighting species that play a critical role in maintaining the structure and health of ocean ecosystems.

Open to primary and secondary school students 11–19 years old, the competition received an overwhelming response this year. Over 1,300 young artists from 75 countries submitted artwork—each piece a unique interpretation of a marine keystone species, from sea otters and mangroves to corals and sharks. These species may not always be the most numerous or well-known, but they have an outsized impact on their environment. Their presence helps maintain biodiversity, balance food webs, and support ecosystem resilience. If a keystone species is removed, the entire ecosystem could shift dramatically or collapse. Through their art, students explored these complex ecological relationships and made a compelling case for ocean conservation.

Artwork in the competition was judged in two categories based on age. The winning entries are not only beautiful pieces of artwork—they are a tribute to the animals that keep our ocean ecosystems in balance.

Hyungjun Chin, 18, from the Republic of Korea, holding his winning artwork "The Keeper" featuring a sea otter in a kelp forest.

In the 15–19 age group, the first-place winner of the 2025 Science Without Borders® Challenge is Hyungjun Chin, with his enchanting piece, “The Keeper.” An 18-year-old student from the Republic of Korea, Hyungjun’s artwork depicts a sea otter eating sea urchins in a vibrant kelp forest, highlighting the otter’s role in protecting the kelp from overgrazing.

“Winning the Science Without Borders Challenge® means a lot to me,” said Hyungjun. “It feels incredibly rewarding to have my artwork recognized on an international level, especially when it’s about a topic I care deeply about—the environment. I wanted my artwork to show how every species has a role and how protecting even one can save many.”

Kimin Kim from the Republic of Korea with her second-place artwork “Bridge Between Waters and Worlds,” featuring mangroves and fish.

Second place in the 15–19 category went to Kimin Kim of the Republic of Korea for her artwork, “Bridge Between Waters and Worlds.” Her piece highlights the importance of mangrove trees as habitat for species both above and below the waterline, and their role in purifying the water for nearby seagrass meadows.

Daniel Yu from Hackensack, NJ, standing beside his colorful mangrove-themed artwork “The Sea's Yggdrasil.”

Daniel Yu from Hackensack, New Jersey, claimed third place with “The Sea’s Yggdrasil,” a striking portrayal of mangroves as ecosystem engineers—stabilizing coastlines, preventing erosion, and filtering pollutants from the water to support surrounding marine life.

Gia Kim, age 12, from Los Angeles, holding her painting “Melting Grounds” depicting krill and glacial waters.

In the 11–14 age group, Gia Kim, age 12, from Los Angeles, California, earned first place for “Melting Grounds,” her powerful painting of krill—tiny but vital creatures that form the heart of the food web in the Arctic and Antarctic. Her artwork illustrates how the loss of such species, due to threats like climate change and ocean acidification, could lead to ecological collapse.

“I hope this piece raises awareness about our damaged ocean and what could happen if we continue to harm it,” said Gia. “This is our planet, and we can make a change, starting with our warming ocean.”

Kate Wang standing on a wooden deck holding her seagrass-themed painting “Seagrass Savior.”

Second place in the 11–14 age group went to Kate Wang from Canada for “Seagrass Savior,” which illustrates how the large appetites of tiger sharks help protect fragile seagrass ecosystems.

Annie Douglas from The Bahamas standing beside her painting of a coral reef ecosystem titled “The Beauty of Coral Reef.”

Third place was awarded to Annie Douglas from The Bahamas for “The Beauty of Coral Reef,” celebrating reef-building corals. Although coral reefs cover less than 1% of the ocean floor, they support roughly 25% of all marine species, including over 4,000 kinds of fish.

Each of the winners will receive scholarships of up to $500 from the Khaled bin Sultan Living Oceans Foundation to celebrate their achievements and help them pursue their interests in art and ocean conservation.


Now in its 13th year, the Science Without Borders® Challenge continues to engage students in important ocean science and conservation topics through art. The Khaled bin Sultan Living Oceans Foundation created the competition to educate students around the world about the need to preserve our oceans and inspire the next generation of ocean advocates.

“The goal of this contest has always been to educate students about the ocean through art,” said Amy Heemsoth, Chief Operating Officer and Director of Education at the Foundation. “This year’s theme helped them understand how essential certain species are to the health of marine ecosystems. Their artwork serves as a powerful reminder of our responsibility to protect our oceans for future generations.”

The Khaled bin Sultan Living Oceans Foundation extends its heartfelt congratulations to all the winners and participants of the 2025 Science Without Borders® Challenge, and thanks them for using their creativity and passion to inspire positive change for our oceans.


For more information:
Visit: www.LOF.org


 

Gallery


About the Organizations:

About the Science Without Borders® Challenge:
The Science Without Borders® Challenge is an international student art contest run by the Khaled bin Sultan Living Oceans Foundation to engage students in marine conservation through art. The annual competition welcomes entries from all primary and secondary school students 11–19 years old. Scholarships of up to $500 are awarded to the winning entries. Students and teachers interested in next year’s competition can learn more and apply at:
www.livingoceansfoundation.org/SWBchallenge

About the Khaled bin Sultan Living Oceans Foundation:
The Khaled bin Sultan Living Oceans Foundation is a nonprofit environmental organization dedicated to protecting and restoring the health of the world’s oceans. Through science, outreach, and education, the Foundation works to conserve coral reefs and other tropical marine ecosystems, enhance ocean literacy, and inspire conservation action. Learn more at www.livingoceansfoundation.org

 

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