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Commoge Marsh

Habitat Map | Management Plan Summary

Management Plan Summary

Commoge Marsh is a 15 ha coastal wetland, located on the north bank of the River Bandon, approximately 1 km southwest of Kinsale, Co. Cork. The site comprises mainly, brackish coastal lagoon, wet grassland, swamp, and wet willow-alder-ash woodland with other habitat types also represented. It is the intention of the Department of the Environment, Heritage and Local Government to designate Commoge Marsh as a Natural Heritage Area (NHA) on the basis of its lagoon habitat and the presence of lagoon specialist species.

Based on a review of available information and on the results of field survey work, a confirmed list of important features has been drawn up. In order of importance, these are as follows:

  • The brackish lagoon with its lagoon specialist fauna

  • Scarce flowering plant populations

  • Non-breeding bird populations

  • Species-rich wet grassland habitat

  • Salt marsh habitat

  • Wet willow-alder-ash woodland habitat

  • Reed and tall sedge swamp habitat

  • Tall herb swamp habitat

  • The site’s potential for educational, research and amenity use

  • The ecotonal invertebrate fauna of the shoreline (the relative importance of this feature is not currently known)

Click here for List of Important Features

The internal and external factors which influence these features have been identified and, wherever sufficient information is available, objectives and limits of acceptable change have been set for each feature, and action plans have been identified by which these objectives can be attained.

Click here for details of factors which influence the important features of Commoge Marsh.

Following on from these action plans, a preliminary list of tasks has been drawn up as follows:

  • The installation of a staff gauge within the lagoon, in order to monitor water levels, and then to set limits of acceptable change in water level fluctuations within the lagoon.

  • Prevention of public access to the eastern shore of the marsh by a number of means including scrub planting, signage and the provision of alternative walking routes in the area.

  • To survey and to monitor ecotonal fauna communities along the shoreline of the marsh.

  • To commission a hydrological investigation of the marsh in order that measures facilitating control of water levels within the lagoon can be implemented.

  • To implement habitat creation measures which have already been prescribed in the planning conditions of developments adjacent to the marsh.

  • To implement a salinity and water quality monitoring programme within the lagoon.

  • To monitor non-breeding bird populations at the marsh.

  • To monitor scarce plant populations at the marsh.

  • Informed by results of the above tasks, to consider the possibility of small-scale dredging of the lagoon.


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