Louise Swemmer
Biodiversity Management Plan (BMP) for six threatened medicinal plants in Ehlanzeni District, Mpumalanga province, South Africa.
Strategic conservation of the Endangered Pepper-bark Tree (Warburgia salutaris) in South Africa.
Evaluation, dissemination, and effective conservation management.

Release management techniques, data collection, and the need for intervention are continuously being assessed to facilitate effective adaptive management on a day-to-day basis.

 

Dissemination of methods and results is an important tool to communicate to donors, attract new funding or stakeholder support, and increase awareness at a national and international level.

 

Monthly reports to project partners are published online at www.BirdsOnTheEdge.org in a reader-friendly format that engages with the public. As a result, the project has received funding, attracted post-graduate research, helped network with international practitioners and inspired other organizations.

 

Work is currently underway to analyze existing data, identify data gaps, and carry out research that will aid the development of a long-term management plan.

 

Durrell recently incorporated the Open Standards for the Practice of Conservation into their strategic planning using Miradi software.

  • An existing organizational ethos to assess, plan, implement, evaluate, and disseminate projects.
  • A supportive network of people with a wide variety of skills.
  • Financial backing to set up, run, and develop online tools and resources.

This building block is ongoing and hard to review at present.

Management and protection of the wild breeding population

Captive reared birds tend to use the same type of nest in which they were raised. Based on this theory, nest boxes were installed along cliffs and a working quarry adjacent to the release site. Ronez, the quarry owners, paid for a UK expert to visit Jersey to help plan, design, and install the boxes.

 

The first nests, in 2015, were inside quarry buildings, not the boxes. Boxes began to be used as competition for nest sites increased. When two nests failed due to being built on dangerous machinery, staff installed boxes and successfully encouraged the pairs to nest in them, allowing quarry staff to continue operations.

 

Nesting activity is closely monitored allowing staff to estimate incubation, hatch, and fledge dates based on pair behavior at the supplemental feed and/or from direct nest observations. Chicks are ringed and DNA sexed in the nest where feasible. Alternatively, fledged chicks that visit the supplemental feed site can be trapped in the aviary when called for food, ringed, and immediately released. This option was used in 2020 and 2021 when COVID-19 prevented access to the quarry.

 

The recently revised Jersey wildlife law gives full protection to chough nests. Staff are now working to increase public awareness and offer nest boxes as mitigation when choughs nest on private property.

  • Bringing in outside expertise
  • Developing a strong stakeholder relationship - Ronez appointed a liaison officer who works with Durrell to access, monitor, and protect nest sites.
  • An enthusiastic team willing to go above and beyond for the species.
  • Accessible nest sites with an alternative option for ringing juveniles/adults, i.e. the aviary at the supplemental feed site.
  • A supportive public equipped with species knowledge, the means to report sightings, and are respectful of the wildlife laws.
  • Public awareness and support have resulted in additional invaluable data about dispersal, roost and nest-site selection, and habitat use. In 2021, a new roost site was discovered at an equestrian yard when the owner contacted the project officer questioning the presence of an ‘unusual crow’. A single female chough was identified roosting in the stables with a visiting pair attempting to nest nearby. Despite this, an evaluation of the reintroduction in 2019 identified an overall lack of public awareness. As the reintroduced population grows and new territories form away from the protected release site it will become increasingly important to have an informed and engaged public supporting the conservation management.

 

  • Staffing has been very limited and restrictive. There is no dedicated marketing or educational outreach team. During the breeding season, monitoring multiple sites is only possible if there is a student placement assisting the project officer.
Soft-releases and post-release management

Between 2013 and 2018, captive-bred choughs were soft-released in small cohorts replicating normal family group size.

 

The plan was to release chicks shortly after fledging although sub-adults (< 4 years old) were used for the first release. Captive breeding at Jersey Zoo was not successful until 2014.

 

Cohorts acclimatized and socialized in the release aviary for a minimum of 2 weeks and trained to associate a whistle with food, enabling staff to call birds back to the aviary if needing re-capturing. Each cohort was initially given a set amount of time outside then called back in for food and confined until the next release. Duration outside increased day by day until reaching full liberty. Staff followed any bird that failed to return attempting to lure it back if feasible. If it had gone to roost, staff would return at sunrise to retry.

 

All birds were fitted with leg rings. Tail-mounted VHF transmitters were fitted to all birds released between 2013 and 2016. Initially, they received three supplemental feeds a day, as in captivity, reducing to once a day. This continues to the present day permitting close monitoring.

 

Jersey Zoo’s Veterinary Department conducted pre-and post-release faecal screening to monitor parasite levels, administer wormer if necessary, and have also treated physical injuries.

  • Dedicated staff willing to go above and beyond for the species.
  • Supportive public with a means and willingness to report sightings away from the release site
  • Jersey Zoo has its own veterinary department with expertise in avian medicine and experience of working with the species.
  • VHF tracking had limitations. GPS technology was not available for the species at the time. With regards to dispersal data, staff were often more reliant on public sightings than VHF tracking methods. However, VHF tracking was invaluable when locating missing individuals recently released. The team were able to locate birds and provide supplemental feed or on one occasion recover a dead bird allowing vets to carry out a post-mortem.
  • Supplemental feeding should continue post-release to support the population during times of limited wild food availability. Survival rates were high during the release phase. Losses were attributed to starvation when the individual could not access supplemental feed.
  • Greater success is achieved by releasing choughs under six months of age.
  • Individuals reared alone without siblings are more likely to fail in the wild even if parent-reared in captivity.
  • Adaptive management is key. Have a plan but be prepared to deviate in reaction to the species needs.
Establish a captive breeding program for release

Paradise Park loaned two pairs of choughs to Jersey Zoo in 2010 to begin a captive breeding program. To establish a wild population, it was estimated 30 to 50 juveniles needed to be released over a 5 to 7-year period. Any shortfalls in numbers would be supplemented by importing juveniles from Paradise Park.

 

Jersey Zoo transformed two aviaries into dedicated breeding aviaries and created a display aviary to house the flock over winter mimicking natural behavior. Nest boxes were fitted with cameras for remote monitoring. Nestlings are susceptible to aspergillosis and nematode infections in captivity. Cameras allow staff to monitor for clinical signs and intervene as soon as possible to ensure survival.

 

Paradise Park, with decades of experience breeding choughs, provided guidance, training, and financial support. Jersey staff spent time behind the scenes at Paradise Park to learn about chough husbandry reciprocating once the release was underway with staff from the UK visiting Jersey.

 

Despite releases ending in 2018, Jersey Zoo continues to breed chough in captivity providing a backup in case there is a renewed need to release. It also allows a conservation message to be communicated to the public through educational talks at the display aviary. Surplus juveniles are returned to Paradise Park’s breeding program.

  • A support network of skilled and experienced conservationists enabling efficient planning with the ability to adaptively manage.
  • Strong partnerships with a commitment to succeed.
  • An enthusiastic team willing to go above and beyond for the species.
  • Initial breeding success was limited for various reasons one being incompatibility and/or inexperience of breeding pairs. Inexperience was initially a problem with the keepers as well. Not with techniques, but with nuances of the species which was why learning from others and a willingness to try different things is crucial.

 

  • Double-clutching is not documented in wild choughs but is possible in captivity and could be an effective tool for increasing productivity.

 

  • Choughs are intelligent and quick to learn. This can be problematic for management, e.g. learning to avoid entering catch-up enclosures. On the other hand, it can be beneficial if exploited, e.g. crate trained.
Assess feasibility and develop a strategic plan

Jersey farmland bird transects have been conducted by Durrell staff, partners and volunteers since 2005. This data combined with other datasets highlighted declining population trends leading to the publication of The Conservation Status of Jersey’s Birds.

 

In 2010, a partnership between Durrell, the National Trust for Jersey, and the Government of Jersey established Birds On The Edge, a conservation initiative to restore depleted coastal farmland bird populations. The reintroduction of chough acting as a driving force to implement change.

 

Feasibility studies supported the need to reintroduce chough; natural colonization was not a feasible option. They also identified a release site at Le Don Paton on the north coast. The National Trust for Jersey introduced a free-ranging flock of Manx loaghtan sheep to graze the site ensuring the birds had natural foraging habitat once released. The National Trust also purchased adjacent agricultural fields to avoid any land management conflicts and to sow conservation crops (another component of the initiative).

 

A reintroduction plan was created following IUCN Guidelines for reintroductions and other conservation translocations. This document assisted in securing licensing for the release, initial funding, and provided a way of clearly communicating intentions to stakeholders.

  • Accessible baseline data to make informed decisions.
  • Visionary and experienced project leaders.
  • Existing guidelines for a reintroduction.
  • Land ownership by a project partner makes it easier to determine and carry out management decisions.
  • Jersey is a small island with relatively less bureaucracy than other countries and a smaller network of players.

There is a lack of baseline data for habitat quality pre-grazing and pre-reintroduction particularly habitat mapping and invertebrate biodiversity. This is evident when evaluating the success of Birds On The Edge and assessing the long-term needs of the reintroduced chough population. With hindsight, more could have been done.

 

More formality between the Birds On The Edge partnerships would help with strategic planning, clarity for donors, and improve communication and outreach. There is no contracted position to oversee the management of Birds On The Edge. There is no team specifically dealing with marketing and education which has limited the effectiveness of our outreach, especially with social media an increasingly important tool for engagement and funding resources.

Elizabeth Corry/Durrell
Assess feasibility and develop a strategic plan
Establish a captive breeding program for release
Soft-releases and post-release management
Management and protection of the wild breeding population
Evaluation, dissemination, and effective conservation management.
Moscow Mayor and Moscow Government
North and Central Asia
East Europe
Eline
van Remortel
Sustainable Sea Transport inside the lagoon and between atolls of the Marshall Islands

Ri Majol, the people of the Marshall Islands were known for their superior boat building and sailing skills for centuries. They traveled frequently between their atolls (for trade and war) on big offshore canoes called Walap (some of them 100ft long). The lagoons of their low-lying coral atolls where crested by sails of smaller outrigger canoe designs for rapid inside lagoon transportation, food gathering and fishing. Together with Waan Aelõñ in Majel, we are reviving the traditional knowlege combined with modern technology. The ambitious goals of the Marshall Islands in the sea transport sector have become the main driver and motivation for us to pursue and to transition towards a low carbon fleet for the Marshall Islands for transport inside the lagoons and between atolls. Currently, a 150 ft. Training Vessel is about to be constructed and delivered to RMI by the 2nd half of 2022. After the agreement of the design, the market survey process started with the objection to identify shipyards that are interested and capable of building the new built as drafted in the tender design. The Maritime Training Approach in the Marshall Islands sets a clear focus on Low Emission Sea Transport Education and will train future sailors as part of the national fleet operators.

 

Today, the traditional outrigger canoe designs are not in use for inter-atoll voyages in RMI anymore. The traditional inter atoll voyages stopped and none of the traditional inter-atoll canoes (Walap) survived till today. Nowadays, offshore transport tasks are mainly carried out by the government owned Marshall Island Shipping Corporation (MISC) and private contractors with conventional monohull freighters with motorized engines causing emissions and impact on climate change.

The charter of SV Kwai - a sailing cargo vessel - in the time period from September to end of December 2020 showed how essential training is in the revitalization of sailing rigged ships that make the way open for a low emission transportation set up in RMI in the future. Sailing trainings took place on SV Kwai for the first time with participants already enlisted by MISC. The training was held with the intention of sailing within the lagoon of Majuro. The aim was to educate on Kwai operations under sail and to train the MISC crew hands on alongside the SV Kwai crew from Kiribati, USA and Australia. An assessment meeting took place after the training to capture the positive outcomes and summarize improvements for upcoming trainings in the future. The trainings already provided a first indication of training needs for the maritime sector in RMI.

Waan Aelõñ in Majel
Sustainable Sea Transport inside the lagoon and between atolls of the Marshall Islands
Policy Frameworks in the Scope of Transitioning to Low Carbon Sea Transport in the Marshall Islands