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Research and Recfishing
Written by Kane Moyle, Policy Officer, Recfishwest.
When it comes to the allocation of research
funds and the level understanding of commonly targeted species,
the commercial fishery has been a long way in front of recreational
fisheries. A lack of biological and catch and effort data for many
important recreational species has meant a majority of relevant
fisheries management decisions have had to rely on estimates and
precaution rather than hard scientific evidence.
The reality is the Department of Fisheries
has a limited budget, forcing them to prioritise which species receive
a majority of research dollars and which don't. Priority generally
has been given to commercially valuable species which has left a
number of valued recreational species such as herring, tailor, whiting,
skippy and dhufish with little research funding and a limited biological
understanding.
What also makes recreational fisheries research
distinctly different to commercial fisheries research is that it
is extremely difficult to get an accurate understanding of catch
and effort data when we don't accurately know how many people are
actually recreationally fishing at any one time.
With the Department of Fisheries having
now shifted to an integrated approach to fisheries management there
has come an even greater need to understand the recreational fishing
catch and effort for each fishery resource. Accurate resource allocations
can not be made without an understanding of what historic and likely
future recreational catches are for each species. More research
time and money needs to be devoted to sourcing the required information
about recreational catch and effort data which is so important under
an IFM framework.
Fisheries scientists are now looking for
adaptive changes to their methods of data collection to generate
the information they require with minimal increases in cost. A number
of projects are now enlisting the help of recreational fishers in
the data collection process. It is the recreational fisher that
is on the water and are able to provide the best indicator of what
species are being targeted and caught. It makes perfect sense for
recreational fishers be collaborative partners in research involving
the recreational fishery.
What many recreational fishers don't realise
is that every time we go fishing we could be collecting valuable
information to help increase the knowledge about our fishery.
The Department of Fisheries, along with
Recfishwest, have a number of scientific programs that enlist the
help of your "Average Joe", as well as the very best recreational
fishers to be involved in the collection of data.
A recent project that outlined how useful
recreational fishers can be in collecting research data is the highly
successful Samson Science project. This study involved the tagging
of more than 4,000 Samson fish, mostly at aggregations west of Rottnest
Island. This study largely relied on recreational anglers to do
the tagging, which resulted in such large numbers being tagged.
This would have never been possible without the help of dedicated
recreational anglers.
The Samson Science project has resulted
in some very interesting results and information about the species
that we would have otherwise never known. Recaptures suggest that
Samson fish travel considerable distances to aggregation sites off
the west coast for mass spawning events. Two fish have been recaptured
off Kangaroo Island in South Australia after being tagged off Rottnest
Island. That is a journey of nearly 2,500 kms! Another interesting
recapture is a Samson fish tagged off Rottnest and then recaptured
25 days later west of Esperance. That is an incredible total distance
of 900 km at an average of 36 km/day.
The Samson Science project is regarded by
Fisheries Research and Development Corporation (FRDC) as a model
for future collaborative research. Building on the success of the
project, a joint FRDC application by Recfishwest and Department
of Fisheries will aim to establish a framework for research collaboration
between scientists and recreational fishers to facilitate greater
recreational involvement in future fisheries data collection.
The project will involve a formal position
of Research Liaison Officer at Recfishwest to be filled by Andrew
Rowland. This position will build on the partnerships already developed
through Samson Science as well as including maintenance of the ANSA
based Westag Database, attending fishing competitions to collect
data, production of extension material and chairing the stakeholder
reference group.
The outcomes from Samson Science demonstrated
the multiple benefits of research and development investment in
collaborative studies involving researchers and recreational fishers.
The project has proven that recreational fishers are capable of
collecting quality scientific data and the involvement of recreational
fishers needs to continue being developed. Community involvement
is not only a cost effective, but also results in improved community
understanding of project design and research outcomes.
The Department of Fisheries have recently
launched their Research Angler Program (RAP) coordinated by researcher
Dr Kim Smith. This program aims to support volunteer-based research
where recreational fishers are responsible for data collection.
Recreational fishers can participate in the RAP through a number
of activities be it filling out Angler Log Books, collection of
biological samples (fish frames) or dedicated fish tagging studies.
To find out more contact the Research Angler Program on 92030111
or email researchvolunteers@fish.wa.gov.au
One of the easiest and most effective activity
recreational fishers can do for research is filling out an Angler
Log Book. It is not difficult to spend a little bit of extra time
filling out a log book after each fishing trip to do a bit extra
for recreational fisheries research. And don't worry, your favourite
spots will be kept confidential!!
Or how about next time you catch a prized
species like a dhufish or a mulloway why not think about donating
the fish frame to research? The Department of Fisheries require
fish frames to provide information about their age (extraction of
ear bones (otoliths) reveals the fish's age through growth rings),
growth rate and reproductive activity (gonads). It is another way
that recreational fishers can easily help in research data collection.
Frames can be frozen before being delivered and can even be arranged
to be picked up by Fisheries Officers if you have multiple frames.
There are also a number of dedicated tagging
studies currently running to help develop a greater biological understanding
on important recreational species such as dhufish, pink snapper,
tailor and mulloway. For recreational fishers that largely catch
and release, tagging can be an easy way to do a bit extra for fisheries
research.
Tagging studies on dhufish and pink snapper
have provided interesting information about post-release survival.
It has been found that dhufish are highly susceptible to barotrauma.
Dhufish caught in waters deeper than 40 metres should be returned
to the bottom with a release weight to maximise survival chances.
Pink snapper on the other hand have been found to be much more robust
species and much better adapted to tolerate release in water depths
up to 100 metres. Information generated from tagging studies is
increasing our knowledge on how each species cope differently with
release, allowing measures to be developed to help maximise their
survival.
Recreational fisheries research still has
a long way to go before we can say we have an in depth understanding
on what is going on, especially for species like herring and sand
whiting. However, information is growing daily as more recreational
fishers get involved in collecting data for our Fisheries Scientists
to analysis. With more researchers realising the potential of recreational
fishers to help in a collaborative approach to data collection the
opportunities to help with research will increase.
So how about next time you go fishing let's
think about how you can help to increase our knowledge about our
recreational fisheries.
This page last updated on 17 January 2007.
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Recfishwest Western Australian Recreational and Sportfishing Council Inc. Trading as Recfishwest ABN 77 922 817 608 PO Box 34, North Beach, Western Australia, 6920 Tel (08) 9246 3366 Fax (08) 9246 5955 recfish@recfishwest.org.au |
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