For cetacean species that are considered a) priority marine features, and b) suitable for protectionusing MPAs, the Nature Conservation MPA selection guidelines will then be applied to areas wherethese species are found. The focus of Stage 1 of the guidelines is to identify search locationscontaining priority marine features within the broader search areas. For those cetacean speciesthat have made it to this stage, an assessment would already have been made as to the existenceof areas used for key life cycle stages, so these may already provide the search locations and couldbe passed on to Stage 2 of the process. However, as worded currently, the guidelines state thatadditionally, an area must meet at least one of the stated Stage 1 guidelines if it is to be considereda search location and go through to the next stage. These are:the presence of key features, orthe presence of features considered to be under threat or subject to rapid decline, orthe area has functional significance for the overall health and diversity of Scottish seas.To be determined a 'key feature', a species has to be considered of conservation value at a nationalor international level which the guidelines state is likely to mean either Scotland is a stronghold forthat species; it is 'characteristic' of Scotland's marine environment 33 ; or, it can be considered ofexceptional scientific importance. Features under threat include, but are not limited to, species onthe OSPAR Threatened and Declining list which occur in and are considered to be threatenedand/or declining in Scottish waters.Locations that make it through to Stage 2 will be prioritised according to the perceived 'quality' ofthe priority marine features they contain. In the comparisons, locations with 'combinations offeatures, rather than single isolated features' and areas with naturally high biodiversity will belooked for. This method should be used with care, however, as there may be examples of cetaceanor other species populations relying heavily on particular locations or having important parts of theirdistribution not necessarily used by other species.Locations will also be prioritised at this stage if they contain 'features considered leastdamaged/more natural' and those that contain 'features considered to be at risk of significant damage'.Stage 3 of the guidelines is concerned with adapting the size of the search location to ensure it issuitable for maintaining the integrity of the feature. Stage 4 assesses whether an MPA is the mosteffective mechanism to deliver the required management. Finally, Stage 5 prioritises betweenpotential MPAs according to their contribution to the network.The guidelines state that the identification of sites should be based on the best available scientificevidence and that the lack of full scientific certainty should not be a reason for delay.A different set of criteria will be used by JNCC to determine which mobile marine species arepriority marine features between 12- 200nm around the UK. This will be conducted in consultationwith Marine Scotland Science by merging the OSPAR Threatened and Declining list and the UKBAP list; it is currently open to expert peer review.Cetaceans and MPA guidelinesThere would seem to be three key points that determine whether MPAs will be considered andimplemented as a conservation tool for cetaceans in the UK. For both processes in Scotland andEngland/Wales, whether definable areas used for important life processes can be identified (the'appropriateness' test); and for Scotland, whether species are determined to be 'key features'and/or under threat or declining.The last two points are considered in Section 4.5. The question of whether it is possible to identifyareas used for important life processes such as feeding, breeding and raising young, using currentinformation about cetaceans in UK waters, forms the basis of much of this report.1233Defined as distinctive and/or representative
3. CRITICAL HABITATInterest in the development of coherent networks of MPAs and as a component of this, MPAs thatfeature or include cetaceans, is not limited to the UK. Elsewhere in the world the same questionsare being asked about how to identify important cetacean habitat and subsequently how best toprotect it. To define areas considered key to the survival of a population or species, the termincreasingly in use in various countries, sometimes with detailed legal definition (as in the US),is critical habitat.Critical habitat for cetaceans can be defined as:Those parts of a cetacean species' range, that are essential for day-to-day well-being andsurvival, as well as for maintaining a healthy population growth rate. Areas that are regularlyused for feeding, breeding, raising calves and socialising, as well as, sometimes, migrating, arethe key components of critical habitat 34 .In addition to places used regularly for feeding, breeding, raising calves and socialising, locationswhere associated and supporting activities such as hunting, courtship, singing, calving, nursing,resting, playing and communication take place are important to consider. For a completeconsideration of cetacean critical habitat, it should also extend to the critical habitat of cetaceanprey and areas where important ecosystem processes occur such as productive upwellings andfish spawning grounds.A further important component of critical habitat is the consideration of movement corridorsconnecting these important areas. This aspect is vital to ensure that animal hotspots do notbecome islands of biodiversity and is crucial to long-term population viability 35 .Finally, in some cases, critical habitat can also be considered as a place where human activitiespose a threat at the population level. Such habitat may have lower densities and not be used forfeeding, breeding, calving or migrating, but if animals are being killed or harmed, with populationlevel effects, then addressing the threats through habitat protection or other means is a matter ofurgency 36 . Therefore, it is important also to consider where threats posed by human activities aretaking place as part of considerations for the location of critical habitat.For the most part, this project employs a review of available literature on cetacean distribution,abundance and habitat use, in order to identify areas used by cetaceans for important lifeprocesses — also known as critical habitat. The methodology for making these assessments isoutlined in Section 6. Drawing on this information, and incorporating consideration of threatsand human activities, this report then identifies suitable sites for UK MPAs that would protectcetacean habitat.34adapted from Hoyt, 2005a (2nd edition in prep. for 2011)35Reeves, 200936Reeves, 200913
- Page 1 and 2: WDCS, the Whale and Dolphin Conserv
- Page 3 and 4: Towards Marine ProtectedAreas for C
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- Page 7 and 8: CONTENTSExecutive Summary 2Acknowle
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4.5 SCOTTISH MPA GUIDELINES - STAGE
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Northern bottlenose whale and Sower
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Fisheries BycatchFisheries bycatch
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5.2 AN OVERVIEW OF REGIONAL THREATS
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North ScotlandAs in the west, threa
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6. IDENTIFYING CRITICAL HABITAT IN
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6.1.1 HARBOUR PORPOISEWest and sout
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Assessment: Critical HabitatHigh re
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11. Area: Off Land's End, Cornwall
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Threats, status and relative import
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East Scotland3. Area: North east Sc
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Threats, status and relative import
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6.1.4 COMMON MINKE WHALEWest and so
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6.1.5 WHITEBEAKED DOLPHINWest and s
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Coastal Wales2. Area: Bardsey Islan
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6.1.8 ATLANTIC WHITESIDED DOLPHINNo
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Other areasOne other area was asses
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6.1.11 BEAKED WHALESThe northern Ro
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7. PROTECTING CRITICAL HABITAT - RE
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considered in the area, each of whi
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7.4 EAST SCOTLANDWithin the east Sc
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7.5 SOUTH WEST ENGLANDWithin the so
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An SAC is already in place for bott
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7.9 SUMMARYFour areas of identified
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iv. Licensing processes for industr
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9. IDENTIFICATION AND PRIORITISATIO
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Recommendations on particular data
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Coastal Wales northern Pembrokeshir
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ANNEX II SPECIES ACCOUNTS SUMMARY
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HARBOUR PORPOISEEast ScotlandStudyH
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HARBOUR PORPOISESouth West EnglandS
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HARBOUR PORPOISECoastal WalesStudyT
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BOTTLENOSE DOLPHINStudyTemporalReso
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SHORTBEAKED COMMON DOLPHINStudyTemp
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SHORTBEAKED COMMON DOLPHINStudyTemp
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COMMON MINKE WHALEWest ScotlandStud
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WHITEBEAKED DOLPHINStudyTemporalRes
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KILLER WHALEStudyTemporalResolution
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ATLANTIC WHITESIDED DOLPHINStudyTem
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SPERM WHALEStudyTemporalResolutionS
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BALEEN WHALESStudyTemporalResolutio
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ANNEX III THREATS TO CETACEANS - RE
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Actual orPotential ThreatActivitySp
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North ScotlandSpecies of most relev
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East EnglandSpecies of most relevan
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South East EnglandSpecies of most r
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South West EnglandSpecies of most r
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Irish SeaSpecies of most relevance
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Actual orPotential ThreatActivitySp
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Bravington, M., Borchers, D. and No
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Evans, P.G.H. and Anderwald, P. 200
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ICES WGMME. 2006. Report of the Wor
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ECS/ASCOBANS/ACCOBAMS Workshop held
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marine protected areas effective to
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ISBN: 9781901386233