The Millennium Seed Bank Partnership has deployed the loggers to help the conservation of species of seeds during collection, drying and storage.
The Millennium Seed Bank Partnership (MSBP) is managed by the
world famous Royal Botanical Gardens, Kew. The MSBP is a global
network of more than 110 partner institutions from more than 95
different countries and territories responsible for the long-term
conservation of wild-species seeds.
The Tinytags are used in a conservation project across various
locations including the Bahamas, Romania, Madagascar, New Zealand
and many more. The probed temp/RH data
loggers will each be deployed with 25 drum-dryer kits that are
used as a method of seed drying. The loggers will help ensure seed
collections are dried to the desired equilibrium relative humidity
for long-term conservation purposes (15% eRH ± 3% according to MSBP
Seed Conservation Standards). Each of the partner locations has a
copy of the Tinytag Explorer software in order to carry out their
own long term on-site analysis.
The temperature and RH monitoring is important because the seeds
of certain species of plants maintain viability for longer if the
humidity of the seed is reduced and it is stored at reduced
temperatures. If seeds of certain species are kept at high humidity
they can die and can no longer be kept for conservation purposes.
Primarily the data from the logger is used to inform how a seed
collection should be treated. For example, drying times need to
continue until the desired relative humidity has been reached. If a
seed collection is at the desired equilibrium relative humidity
(15% eRH ± 3%) then that collection does not need to undergo
further drying or this could potentially cause harm to that
The data loggers may also be used to monitor the partner's seed
bank storage facilities to help identify if action needs to be
taken to ensure that collections reach the required relative
humidity. In addition, the Tinytags are used in the field to
monitor the RH of the environment from which the seeds are being
collected, and the equilibrium relative humidity of the seeds as
they are collected from the plant.
Eva Martens is the MSBP Partnership Administrator, based at the
Millennium Seed Bank located at Kew's garden in West Sussex,
Wakehurst Place. Eva is pleased with her choice of data logger,
commenting "Using Tinytag data loggers enables our partners to
record and monitor reliable data on relative humidity that is vital
for our work in seed conservation. The loggers are easy to use and
transportable, which is essential when they are shipped to partner
organisations around the world for use in the field."
monitors temperatures from -25 to +85°C, and relative humidity from
0 to 100% using an accompanying temperature and RH probe with a 1.5
metre cable. It has good resistance to moisture and condensation,
and as well as recording data, there is a digital display which can
be useful for making spot checks of conditions in applications such