Most Read Contributor in Cayman Islands, September 2016
The Cayman Islands Department of Environment (DoE) are currently
collaborating on a project with longtime partner Royal Botanic
Gardens Kew (RGB Kew), UK, to locate a mysterious Mistletoe species
– Dendropemon caymanensis – known to be
located only on Little Cayman.
There is very little known about this parasitic plant but
records from botanist George Proctor, author of Flora of the
Cayman Islands, indicate that it is possibly located within
the northeastern interior of Little Cayman and is a parasite of the
Headache Bush (Capparis cynophallophora) and the Black
Candlewood (Erithalis fruticosa). No one has seen this
plant since 1991 and there is no photographic record – just a
single herbarium collection as proof of its existence.
In order to find this plant, the DoE and RGB Kew used a mini
unmanned aerial vehicle (UAV). The UAV is a small flying vessel
with a camera; it weighs less than a kilogram and is controlled by
a sophisticated remote computer system. It takes aerial photographs
on a pre-programmed course, mapped using GPS coordinates.
The search team included DoE's Research Officers Jessica
Harvey and Jane Haakonsson, and GIS Officer Jeremy Olynik; and RGB
Kew's Species Conservation Assessment Officer Steven Bachman
and Kew's GIS Officer Justin Moat; and from the Blue Iguana
Recovery Programme (BIRP), Frederic Burton, acting as the local
plant specialist. Mr Moat and Mr Bachman are highly trained and
certified UAV pilots with previous experience in the UK and Peru,
and both are off to Burkina Faso after their trip to Cayman.
The DoE worked closely with the Civil Aviation Authority (CAA)
to establish and follow all safety protocols. This included
ensuring all launch and search sites were inspected and approved by
the CAA prior to the project start date.
Approval also was granted by the Lands and Survey Department,
and all flights were coordinated and approved by the Grand Cayman
and Cayman Brac Air Traffic Control towers prior to takeoff. This
is very important as flying UAVs without authorisation could be a
hazard to all types of aircrafts, including police helicopters and
mosquito jets. Launching and landing sites were also granted
permission from the relevant land owners.
Survey areas included the Colliers Reserve and Salina Reserve in
Grand Cayman, where locations of the host plant species are already
known. Images taken from these areas will be compared with images
taken in Little Cayman. The project will also allow the DoE to try
a new method of monitoring the booby colony in the Booby Reserve on
Little Cayman, which could prove highly time and energy efficient
compared to previous monitoring techniques.
Upon completion of this project the DoE hopes to determine the
true status of the endemic Dendropemon caymanensis in the
Cayman Islands, while also gathering data on the current status of
the booby breeding area in the Booby Pond Reserve.
This project was possible with assistance from the Mohamed Bin
Zayed Conservation Group, which donated just more than US$3,000 to
the project through a grant; the Cayman Islands National Trust
including BIRP; the CAA; and RGB Kew.
This project started on 12 June and was completed on 19 June.
For more information, contact the DoE at email@example.com , at 949-8469
during working hours or on our Facebook page.
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