Fal and Helford SAC

Last updated: 14th September 2018

Advice on Operations

This advice identifies pressures associated with the most commonly occurring marine activities, and provides a detailed assessment of the feature/subfeature or supporting habitat sensitivity to these pressures. Advice on Operations will only be provided for features within the site (i.e. not functionally linked land)*. Information regarding Advice on Operations for features outside the site will need to be sought in consultation with Natural England.

The Advice on Operations provides an initial assessment of whether a proposed plan or project (or ongoing activity) may have an impact on a feature in the site. The sensitivity assessments should be used at an early stage of a plan or project when considering potential impacts of an activity. Advice on Operations should be used in conjunction with the specific details of a proposed plan or project (e.g. indirect and/or additive impacts, activity duration, time of year, scale etc.) and the site-specific Supplementary Advice on Conservation Objectives (SACO) in order to develop assessments of impacts to features within the site.

*Please note: we do not provide Advice on Operations for assemblage features.

Select a marine activity by first clicking on the black arrow alongside the activity in question and then checking an activity in the tree. Any activity flagged with a * has no impact on the features on this site so will return no data. Press the ‘View advice on operations for selected activity’ button below to see the sensitivity of the features to the pressures caused by your selected activity.

Click on the pressure name to see activity-pressure justifications, or on the sensitivity scores displayed (S,NS,IE) to get further detailed information behind the sensitivity assessments. To view details of the biotopes relevant to the biogeographical region of the site in question click on the hyperlinked number in the “Relevant biotopes” box to display the information.

To return to the Marine site detail page, click on the “Marine site detail” button at the top of this page (clicking ‘Back’ will reload all Advice on operations information viewed previously on this page).
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Legends:

Risk profiling of pressures (RPP) is intended to support the application of the new marine conservation advice packages to an assessment of the potential impacts of an activity on the features of a MPA, usually as part of the screening stage of an assessment. The RPP was created to rank the pressures by the general risk they pose to the environment under normal conditions but in no case should be taken as a ‘one size fits all’ approach as the risk associated to the pressure will be specific for each situation. The RPP is generic and does not constitute a risk assessment and therefore should not be used as such. It should only be used to inform such assessments in conjunction with all available site-specific information.

In the RPPs all pressures assessed as generically posing low risk to features of MPAs are accompanied by supporting text that highlights factors under which the risk associated with the pressure can increase. This text should always be read in conjunction with the associated Activity-Pressure justification. This supporting information should be considered in light of knowledge/evidence relating to the activity and/or site to determine whether the pressure should be given any further consideration in a site-based assessment. It is important to note that there may be additional factors, not mentioned in the supporting text that might result in re-consideration of the risk posed to the feature by the activity, as a result of the pressure. Some low risk pressures may become medium-high risk pressures as a consequence of these additional site-specific factors and users should seek further advice from Natural England's area team staff in these instances.

Conversely, in specific cases pressures assessed as generically posing medium to high risk to features of MPAs may be screened out as part of an assessment on the basis of activity and/or site-specific knowledge/evidence.

Risk Profile of PressureRecommendation
Medium-High RiskPressure is commonly induced by activity at a level that needs to be considered further as part of an assessment
Low RiskUnless there are evidence based case or site specific factors that increase the risk, or uncertainty on the level of pressure on a receptor, this pressure generally does not occur at a level of concern and should not require consideration as part of an assessment.

Interaction typeSensitivity category description
Direct1Indirect2
SS*SENSITIVE: The evidence base suggests the feature is sensitive to the pressure at the benchmark. This activity-pressure-feature combination should therefore be taken to further assessment.
IEIE*INSUFFICIENT EVIDENCE TO ASSESS: The evidence base is not considered to be developed enough for assessments to be made of sensitivity at the pressure benchmark. This activity-pressure-feature combination should therefore be taken to further assessment. The best available evidence, relevant to the activity in question, at the time of application, should be sourced and considered in any further assessment.
NANA*NOT ASSESSED: A sensitivity assessment has not been made for this feature to this pressure. However, this activity-pressure-feature combination should not be precluded from consideration. The best available evidence, relevant to the activity in question, at the time of application, should be sourced and considered in any further assessment.
NSNS*NOT SENSITIVE AT THE BENCHMARK: The evidence base suggests the feature is not sensitive to the pressure at the benchmark. However, this activity-pressure-feature combination should not be precluded from consideration (e.g. thought needs to be given to activity specific variations in pressure intensity and exposure, in-combination and indirect effects). The best available evidence, relevant to the activity in question, at the time of application, should be sourced and considered in any further assessment
 NOT RELEVANT: The evidence base suggests that there is no interaction of concern between the pressure and the feature OR the activity and the feature could not interact
1An activity which exerts pressures that interact with a feature within the spatial and/or temporal footprint of the operation

2An activity which exerts pressures that interact with a feature not associated with the immediate spatial and/or temporal footprint of the operation