Thursday 29 September 2016

The Forestry Commission's New Forest Fungi Policy


The New Forest Association are pleased that the Forestry Commission are implementing a "Look, Don't Pick" rule regarding fungi foraging on the New Forest Site of Special Scientific Interest under their stewardship. This affirms the protection our habitat deserves. This is consistent with their obligations to the protections of the SSSI, their management of the New Forest SSSI as a National Nature Reserve and their powers to authorise or deny picking of fungi under consent from Natural England.  This brings the FC policy in line with the ban on fungi foraging on the Commons the National Trust, and the Nature Reserves the Wildlife Trust manage within the Forest.

We hope that enforcement may be hard hitting on  pickers taking undue advantage of the forest whether commercial or not.  Enforcement may also be soft and educational for casual foragers.  The message is the same, this is a protected habitat and landscape, leave the fungi to nature and the autumn display for all to see.

It brings the FC back in line with the guidance 1998 Wild Mushroom Pickers Code of Conduct, the misreading of which was the source of the arbitrary 1.5 kg "limit", which has absolutely no basis in law. The code clearly meant the limit for undesignated habitats, not SSSI  or National Nature Reserves.  An allowance should never have been implemented at all in this protected habitat.


NCC Consent 25 January 1988 (subsequently under Natural England)
The Nature Conservancy Council issued the following consent to the FC regarding the above operation:-  "The collection of fungi as authorised by the Forestry Commission, subject to periodic review by the FC and the NCC."

FC/Verderers/English Nature Declaration of Intent 25 July 1995
"The Forestry Commission will continue to manage the New Forest as an area with the status of a National Nature Reserve and to maintain the nature conservation interests for which it is designated under national and international legislation or agreements."



In July 2015 the NFA launched its campaign for a very specific ban on fungi harvest from the SSSI on the Crown Lands of the New Forest.  In doing this we've sought to bring about best practice under existing laws, byelaws and guidance.  After careful consideration we decided that calling for an Epping Forest style ban was the most clear cut solution, with its obvious precedent.  We're taking the precautionary principle that on a SSSI, especially one including fungi amongst its notified features, under heavy pressure from recreation and other use, that the fungi should be protected, part and parcel with the whole of this habitat.

The NFA campaigns for the habitat and heritage of the Forest.  In entering into this campaign we consulted with our own ecologists and local mycologists. We've consulted with and had support from the British Mycological Society, the Fungi Conservation Trust, Natural England, Buglife, Plantlife and the National Trust, the Hampshire and Isle of Wight Wildlife Trust (the latter two had already banned fungi foraging on SSSI land they manage).  The fruiting bodies of the fungi are not merely food for other fauna, but are depended upon by at least 600 species of invertebrate using them as micro-habitats to fulfill their life cycles.

The New Forest Site of Special Scientific Interest is in one of the most densely populated National Parks, surrounded on many sides by conurbation with insufficient alternative greenspace, and mounting recreation pressure.   As open access land, it is easily accessible to all users, and an easy touch for volume foragers.  SSSI is a designation that confers habitat protection under UK law. The New Forest is also a Special Protection Area (SPA) and a Special Area of Conservation (SAC), Natura 2000 designations or initiatives under EU law, and a National Nature Reserve.  The Natural History Museum picked the New Forest as one of two biodiverse rich sites on which to base their ongoing climate change study.  It is a gem, one of the crown jewels of natural biodiversity in Britain, Europe and the World.  We ask all to understand importance of this ecosystem and the need for its protection, and that they respect its protection and find their fungi elsewhere.


For Immediate Release

We will be examining and addressing some of the counterarguments and myths surrounding this policy and fungi conservation in "Look, Don't Pick" - The Arguments.

Friday 23 September 2016

Material World

Warwickslade Cutting, infilling of minor drain - geograph.org.uk - 1464070One concern I think we all share about the Latchmore Brook project is the transport of the infill materials.  This is due to cause a certain amount disturbance and inconvenience to those residents and visitors along the delivery routes, as well as valid questions about the safety for both road and Forest users, man and beast.   I've already had a private go at the FC and LUC over their need to provide concise and useful figures for the public to properly convey the size of the issue.  Here I attempt a stop-gap.

Movement of materials to the nine stockpiles to service nine different project areas is due to run over four different access routes in two or three of the four years of the overall project.  Two of these access routes are via relatively well used roads, the B3078 Roger Penny Way from either Godshill or Brook to Telegraph Hill, and the turning from the A31 to Stony Cross, then the turning towards Slufters and Cadman's Pool, followed by the turn towards HighCorner /Linwood, almost immediately turning off onto the Forest Track to Holly Hatch / Alderhill.  The more problematic routes go through the village / cul de sac Fritham, home of the Royal Oak pub, which some consider the unofficial office of the NFA, the other through the village of South Gorley and Ogdens. 

As you drive northeast up the unnamed road towards Ogdens, many of the houses grow larger. You'll pass Fir Tree Farm, one of the best placed and few remaining commercial stables on the Forest, its manège is only a fence and a few feet away from the narrow lane, riders in the school may not appreciate the extra challenge to their control and aid skills as their mounts react to passing tipper lorries.  After the stables, the road becomes a forest track, with more modest dwellings fronting directly and quite closely to the road.

Naturally we have every sympathy for those who may be effected.  All the more reason to get at some realistic, and relate-able numbers.

I've seen and heard alarming figures, 70HGV movements a day or 44000 HGVs over the course of the project, which I've discovered to be ridiculously overblown.  Not that I blame anyone for getting this wrong as the planning documents do not lay out the information in a helpful way. I had to bounce around four or five of the submitted statements and appendices to pull this together.


1.3 The works are anticipated to last for approximately 4-12 weeks (July-September) per year over a period of 4 years. If weather conditions are poor (wet), works may halted temporarily to protect ground conditions.

4.9 The highest maximum number of deliveries for each route to the site per day has been calculated as follows:
  • Ogdens - 25 HGVs and 4 tractor/trailer deliveries per day.
  • Alderhill - 25 HGVs and 4 tractor/trailer deliveries per day.
  • Fritham - 25 HGVs and 4 tractor/trailer deliveries per day.
  • Telegraph Hill - 25 HGVs and 4 tractor/trailer deliveries per day.
4.10 In addition to the HGV movements set out above, there will be approximately six employees on site associated with the restoration works (i.e. total 12 movements per day).


In two of the planning documents we are only given maximums or ranges, we're told a maximum of 25 HGV deliveries per day per route, a window of 4-12 weeks in each of the four years, this last is the beginning of distortion as only the 2019 Phase is 12 weeks July to September the other three are 4-8 weeks August-September.

Back to one of the numbers being bandied about by alarmists.  70 HGV's per day.  If someone has quoted this figure at you, they are either lying, or unknowingly passing on an intentional lie.  The only way one could arrive at the number 70 is to take the maximum 25 HGV deliveries, the 4 tractor/trailer, plus up to 6 staff vehicles for a total of 35 roundtrips = 70 movements, only 50 movements are HGV (still not a small amount, but smaller, and a maximum, averages may be lower).  As we'll note later, despite the stated maximum of 4 tractor/trailer deliveries per day conjuring an equal level of traffic, the number bale deliveries becomes negligible very quickly.

Here's the initial information I pulled out of the "Appendix 4.1: Estimated Restoration Material Quantities and Transport Movements Data" (a diabolically poorly laid out document in which every 2 out of three tables has a single line, in some case, a single cell).  The 22 separate tables are easily and more usefully aggregated into three tables, the first gives us Material Quantities, the primary information we need to derive the number of deliveries, the other two Maximum number of deliveries per day clay/gravel/hoggin and heather bales respectively (plus Delivery timescale for HGV loads).   You'll forgive the small size required to squeeze this in here.  The more important summary tables that follow will be suitably legible.

Table 1: Estimated Material Quantities
Project Area Stockpile Lorry Route Hoggin & Washed Gravels (tonnes) Clay (tonnes) Minimum Tipper Deliveries Minimum Tipper Days _ Heather Bales Minimum Tractor Deliveries Minimum Tractor Days
Islands Thorns Picket Corner Telegraph Hill 10004.6 4001.8 702 29
1815 7 2
Islands Thorns Islands Thorns Fritham 5002.3 2000.9 352 15
1815 7 2
Islands Thorns Fritham Bridge Fritham 5002.3 2000.9 352 15



Thompson’s Castle: Hampton Ridge Telegraph Hill




460 2 1
Thompson’s Castle: Ogdens Car Park Ogdens 2071.0 829 146 6



Latchmore Mire: Hampton Ridge Telegraph Hill




1944 7 2
Studley Wood: Claypits Telegraph Hill 5860 2344 411 17
986 4 1
Studley Wood: Picket Corner Telegraph Hill 5860 2344 411 17



Ogdens Mire: Ogdens Mire Ogdens




2280 8 2
Ogdens Mire: Ogdens Car Park Ogdens 99.75 39.9 7 1



Amberwood and Alderhill Inclosures: Fritham Bridge Fritham 9662.43 3864.97 678 28



Amberwood and Alderhill Inclosures: Alderhill Inclosure Alderhill 9662.43 3864.97 678 28
1920 7 2
Sloden: Sloden Inclosure Alderhill 5671.5 2268.6 398 16



Watergreen Bottom: Alderhill Inclosure Alderhill




500 2 1
Latchmore Shade: Ogdens Car Park Ogdens 9755.4 3902.16 684 28














TOTALS

68651.71 27461.2 4819 200
11720 44 13

I have added four columns of calculations, number of both deliveries and days for each material.  In each case all numbers are rounded up to the nearest whole number before being used as a factor in the next calculation.  These are based on both the optimal 100% load capacity and the maximum number of deliveries per day, and so derive the minimum number of deliveries necessary for each location/phase/route of the project.  Depending on your point of view, this is perhaps the best case scenario, the maximum amount of disruption each day, but the fewest number of days.

Table 1a1: Estimated Material Quantities by Route by Year HGVs

Year Lorry Route Hoggin & Washed Gravels (tonnes) Clay (tonnes) Minimum Tipper Deliveries Minimum Tipper Days
2019 Alderhill 15333.93 6133.57 1076 44
2020 Alderhill



2017 Fritham 10004.60 4001.80 704 30
2019 Fritham 9662.43 3864.97 678 28
2017 Ogdens 2071.00 829.00 146 6
2018 Ogdens 99.75 39.90 7 1
2020 Ogdens 9755.40 3902.16 684 28
2017 Telegraph Hill 10004.60 4001.80 702 29
2018 Telegraph Hill 11720.00 4688.00 822 34







TOTALS 68651.71 27461.20 4819 200


If the lorry loads are always at fullest capacity, than the number of deliveries remains constant.  That's the minimum number of deliveries that would have to happen, you could have them in the fewest number of days if the maximum deliveries per day is reached, but more likely you may want to spread that pain.

 Table 1b1: Estimated Deliveries/Days by Route by Year and Comparison to %90 Capacity / 20 deliveries/day snapshot

Year Lorry Route Minimum Tipper Deliveries 90% Capacity Tipper Deliveries Minimum Tipper Days 90% Capacity 20 Max Tipper Days
2019 Alderhill 1076 1195 44 61
2020 Alderhill



2017 Fritham 704 780 30 40
2019 Fritham 678 752 28 38
2017 Ogdens 146 163 6 9
2018 Ogdens 7 9 1 1
2020 Ogdens 684 759 28 38
2017 Telegraph Hill 702 779 29 39
2018 Telegraph Hill 822 914 34 46







Totals 4819 5351 200 272

For a lesser case scenario, I tweaked numbers for HGV loads at 90% of Capacity, which would increase the number of deliveries required, and thus the number of days, and further increased the number of days by decreasing the maximum deliveries per day to 20.  This makes for some useful comparisons.

Table 1a2: Estimated Material Quantities by Route by Year Tractor/Trailer


Year Lorry Route Heather Bales Minimum Tractor Deliveries Minimum Tractor Days
2019 Alderhill 1920 7 2
2020 Alderhill 500 2 1
2017 Fritham 1815 7 2
2019 Fritham


2017 Ogdens


2018 Ogdens 2280 8 2
2020 Ogdens


2017 Telegraph Hill 4219 16 5
2018 Telegraph Hill 986 4 1






TOTALS 11720 44 13

Heather Bales will by delivered by tractor/trailers with a capacity of 300 Bales per  delivery.  We've also been told there's a maximum of 4 deliveries per route per day.  It's tempting to simply add that to the other numbers of daily deliveries, but the problem with that is that there are not that many deliveries of bales needed compared to the other infill materials.  At maximum capacity, there would need to be 44 deliveries for the entire project, not per year, not per route, the whole bale of wax.  If you were to spread those evenly by year by route that's less than 3.  I can't conceive that 3 extra tractor trailers per YEAR would be noticeable on even the quietest routes.  For our lesser case scenario, we run at ¾ full, and that ups the total deliveries to 58.

 Table 1b2: Estimated Deliveries/Days by Route by Year and Comparison to %75 Capacity snapshot

Year Lorry Route Minimum Tractor Deliveries 75% Capacity Tractor Deliveries Minimum Tractor Days 75% Capacity Tractor Days
2019 Alderhill 7 9 2 3
2020 Alderhill 2 3 1 1
2017 Fritham 7 9 2 3
2019 Fritham



2017 Ogdens



2018 Ogdens 8 11 2 3
2020 Ogdens



2017 Telegraph Hill 16 21 5 7
2018 Telegraph Hill 4 5 1 2







Totals 44 58 13 19

Of course it's not that evenly spread, as we see when we look at the data, but the Fritham and Ogdens routes would need 7 and 8 deliveries respectively for the whole project.  It gets better than that, the number of bale deliveries coming by road routes might be nil:


For the purposes of the assessment it has been assumed that the heather bales will be transported from outside the catchment via the four routes listed below, thereby assessing a worst case scenario in terms of potential effects. However, it is more than likely that the heather bales will be harvested from within the open forest areas near to the Latchmore Catchment and public roads will not be needed to transport them to the areas of the proposed works.

Table 1c: Total Estimated Deliveries/Days over course of whole project by Route and Comparison to Worst Case snapshot (in combining Days for both Infill and Bale Delivery, overlap has been accounted for.)

Lorry Route Minimum Deliveries Worst Case Deliveries
Minimum Days Worst Case Days
Alderhill 1085 1207
45 62
Fritham 1389 1541
58 78
Ogdens 845 942
35 48
Telegraph Hill 1544 1719
63 85
Totals 4863 5409
201 273

It is also important to note that some mitigation measures are already in the plan which include: The same drivers will be used, and will be made aware of the "possible pedestrians, cyclists and livestock in the carriageway", there will be "speed restrictions for delivery vehicles;" - 15mph on the Forest gravel tracks, 5mph under the ordinary 20mph restriction under the byelaws, and "traffic management with radios on the Ogdens route" as well as term time restrictions for school run to local schools.  For those concerned about the condition of their roads, there will be a survey of the local highway network before and after the restoration phase to identify and agree any remedial works reasonably attributable to the restoration activities.  (Full list in ES Vol 3 Appendix 4.2 Construction Traffic Management Plan Section 5).

We hope that this analysis goes a little way to giving a realistic scale to the potential problems.  Even if some may still want to scare monger, at least they should have more realistic numbers.  But we don't want fear, we want sensible and proportional discussion.  And no, we don't expect that this solves any remaining concerns - whether or not conditions are placed on the planning application to suggest further mitigation, there may still be work needed by both the Forestry Commission and local residents to accommodate each other fairly.

Wednesday 21 September 2016

Presentment: Latchmore Brook: Part 2: Wildlife, Materials and Beauty



In a feat of both irony, and good timing thematically, the presenter met the five minute limit for Presentments, and was cut short. The first part was an apology from the New Forest Association for not displaying our support for the Latchmore project "often enough, publicly enough, or possibly well enough." allowing snide comments and poor treatment of the Verderers, Forestry Commission and National Park Authority to stand.

The second part shifts emphasis to addressing areas that concern all of us about the project, Wildlife, Material Delivery Routes and Beauty.


...I won't make up for lost time now.  I have a critique of more than ten errors on just one of their webpages which I've sent separately to the Verderers (on our news page).  But I beg the courts indulgence to address a few points.  Amongst the more emotive subjects, the potential disturbance to and loss of wildlife in the implementation itself.  Of course this is of concern, but there's a reason why we view the end-of-days prognostication of those opposed as baseless conjecture.

2119.  Two thousand One Hundred and Nineteen.  This is the non-exclusive number of completed River Restoration projects in the UK since 1994 listed in the database of the River Restoration Centre.   Some smaller, some larger: the Cumbria River Restoration Strategy (CRRS) a partnership project between Natural England, the Environment Agency and the Rivers Trusts of Eden, West Cumbria and South Cumbria won the 2016 UK River Prize. They restored 14 km of river across the three catchments to a more natural form.  Not all restore meanders, only 1593 had Habitat objectives, some were done for Flood Risk, Fisheries, etc. 120 are listed as a result of Community Demand.  But all would have had the issue of disturbance to wildlife.  Projects including hundreds of Rivers Trusts, Catchment Partnerships, private estates, the Royal Parks, the National Trust, amongst others.  When the RSPB, and the Wildlife Trusts, and their ecologists support the Latchmore Brook project and other Forest wetland restorations, they do so with their experience, including many projects on the land they manage.  If the consequences, in 22 years and 2119 projects, were as dire as the leaders of the opposition contend, I should think we'd have heard about it by now, or certainly their researches would have brought this to our attention.

We do all share concerns about the project.  The New Forest History and Archaeology Group have raised issues with the survey, we believe they are surmountable and encourage all interested parties to work towards a solution.

Movement of materials to the site may cause disturbance and inconvenience to those along the delivery routes.  I've seen and heard alarming figures, 70HGV movements a day or 44000 HGVs, which I've discovered to be ridiculously overblown.  Not that I blame anyone for getting this wrong as the planning documents do not lay out the information in a helpful way.  I've already had a private go at the FC and LUC over their need to provide concise and useful figures for the public to properly convey the size of the issue.  The route through Ogdens, for example, we've been told this will be used in three years of the project, which is worrying, but hazard a guess at how many days would be necessary for deliveries through Ogdens in 2017 - 6, 2018 - 1, that's right in 2018 they only need to make approx 7 deliveries on that route that year, 2020 - 28, of course that will bear more discussion, but it brings perspective. For the entire project all routes all years combined there will be fewer than 10k HGV movements, fewer than 11k in the worst case scenario we've run.  I'll be putting up our numbers on our newspage later today, available to all, even if you want to scare people with numbers at least you can use realistic figures.

Finally, many are rightfully concerned about the future beauty of the Latchmore Brook.  Walking along Latchmore Shade, you will clearly see the original meanders.  In some cases you will see this as gently undulating curves written as a gentle scar in the landscape, it is easy to imagine a pleasant stream flowing along this course.  Elsewhere the meanders have been eroded into unattractive ruts, and in other places the area between the current water course and the meanders become a quagmire when the drains rush water into the area, the flood in the now dysfunctional flood plain is partially contained by the meander, not allowing much onto the adjacent grazing.  Fixing this will not make the area any less beautiful.  I spoke of the prizewinning project in Cumbria, which we may begrudgingly agree is also an iconic landscape.  That project was twice the size of Latchmore.

Look at Warwickslade Cutting and Fletchers Thorns amongst many of the completed restorations which have bedded in, they look absolutely lovely now.  There are many to choose from, but don't impatiently show up moments after the diggers left and expect an instantaneous transformation.  Give nature time to do its magic.  After all nature took its time creating those meanders before they were ruined.


-- Brian Tarnoff, Chair, Habitat and Landscape Committee
New Forest Asssociation

While this second part was not read in the open court, the full presentment was distributed in written form to the Verderers, as well as the Annotated Fact Check of the Latchmore Crowdfunding Page.

Much of this half of the Presentment was repurposed in the Public Questions section of the subsequent National Park Authority meeting, with an emphasis on addressing the PR problem now faced by Wetland Restorations in the wake of the leaders of the opposition to Latchmore's concerted campaign of misinformation, misrepresentation, hyperbole and pseudoscience.

Presentment: Latchmore Brook: Part 1: An Apology

As the Latchmore Brook planning application may be decided before the next month's Verderers Court.  The NFA find that we owe everyone an apology.

We've never made a secret of our support for the Forestry Commission's wetland restorations.  But clearly, in some areas, we haven't made our case often enough, publicly enough, or possibly well enough.  For that we must apologize to the whole of the Forest.

We apologize to the Verderers, I know you don't need anyone to leap to your defence, but you have been impugned, under the snide accusation that everyone involved in, or indeed supporting the project, would knowingly harm the Forest.  The Verderers who many of us regard as the conservative line in the sand, that we are so fortunate have powers granted by the New Forest Acts.  You have supported this project in the various forms its taken when it has come before you.

This is one of the Leaders of the opposition's most poisonous assertions, that the process itself, is somehow tainted by a cosy "partnership".  The National Park Authority, Verderers and Forestry Commission are only "partners" in the project inasmuch as they are the statutory bodies obviously required to be on the project board.  It only benefits the FC as they fulfil their legal obligation to respond to the Natural England condition assessment of the SSSI, and only benefits the Park as it successfully fulfils their statutory purposes "to conserve and enhance the natural beauty, wildlife and cultural heritage of the area".  The NPA is represented on the board by their Chief Exec Alison Barnes.

The NPA's Planning Committee is made up of 14 of the 22 members of the Park Authority.  The Committee is mostly (12) local Parish, Town, District and County Councillors and 2 Secretary of State Appointees [through DEFRA].  As with any Planning Authority they have strict criteria they must adhere to, and whilst they may seek advice from the civil servant staff of the Authority including their own ecologists and the Chief Exec, the decisions are theirs.  No previous scheme has been refused because, like the present one, they are worthwhile restorations to improve the habitat, and have met the criteria for planning approval.  There is NO conflict of interest as the Chief Exec on the board of the project serves the members of the Authority, not the other way around.

We apologize to the Forestry Commission,  and other public servants that have had to bear the brunt of what many would call a hostile work environment.   I've heard hissing at Parish Council meetings.  I've seen ecologists aggressively berated at consultations and site visits, where they are merely doing their job and explaining, calmly, what the values of these projects are.  The NFA haven't been able to be present at all occasions and have not intervened enough.  Not that I lay all bad behaviour at the feet of the Leaders of the opposition, but neither do they repudiate such behaviour.

We also apologize to the FC because while the NFA have campaigned for more monitoring built in to all these projects -  We didn't insist enough to give everyone a larger more convincing body of evidence.

We apologize to the Friends of Latchmore.  Yes, we do. On one level we welcomed them, we disagreed with their conclusions, but a localized voice giving the Forestry Commission a hard time, could have been useful.  The NFA, covering more issues over the whole Forest, can't be everywhere all the time.  But they are never sceptical enough with their own arguments, they don't sort the wheat from the chaff, as a result we've heard a few valid points hidden amidst a white noise of hyperbole and pseudoscience.

But here's where the NFA have done the leaders of the Friends of Latchmore and as a result many of their followers a true disservice.  We didn't challenge them publicly often enough.  We thought there was no point in popping up doing tit for tat when the planning process would make the decision.  We limited speaking here at the Verderers Court mostly to key moments when the Verderers were to decide their views.  In some cases they may even have taken our silence for validation.

We've let them steal a march on us in the public perception, but in doing so they have spread an entrenched dogmatic view which stifles debate, because you can't have a discussion where one side never concedes any of the many valid points that suggest that either this project is worthwhile, or that its challenges are proportionate.

I won't make up for lost time now.  I have a critique of more than ten errors on just one of their webpages which I've sent separately to the Verderers (on our news page).  But I beg the courts indulgence to address a few points.....



-- Brian Tarnoff, Chair, Habitat and Landscape Committee
New Forest Asssociation

In a feat of both irony, and good timing thematically, the presenter met the five minute limit for Presentments, and was cut short. The second part shifts emphasis to addressing areas that concern all of us about the project, Wildlife, Material Delivery Routes and Beauty.  The full presentment was distributed in written form to the Verderers, as well as the Annotated Fact Check of the Latchmore Crowdfunding Page.


The Presentment was preceded by a very short thank you to the Forestry Commission for their new Look, Don't Pick Fungi policy.  We released a fuller response to the policy here.

Deputy Surveyor: Stream Restoration and Fish


At September's Verderers Court, the Deputy Surveyor, Bruce Rothnie used his optional Presentment slot to discuss Stream Restoration's potential benefits and impacts on fish.
FMIB 43029 Brown Trout (Salmo fario) This is the common brook trout of Europe, and it has been named Von Behr Trout by the United States

There have been some presentments made in this Court raising concerns about the impacts of the stream restoration work on fish.

Fish are a vital part of the ecology of the Forest and we all want to know that their surroundings are in a condition where they can thrive.  In many places across the Forest the streams have the natural diversity of conditions that are good for fish - gravel riffles, pools, and vegetation in the water and along the bank.  The stream life is in harmony with the natural processes of the site and robust to weather variations.

Unfortunately in some places man's intervention by straightening and deepening the streams has upset these natural processes and reduced the natural diversity upon which fish and other stream life depend.  The straighter channels increase water flow which strips them of gravels, vegetation and the natural variation of water depth that is so vital for all stages of fish development.

We all know that ponies grazing on the Forest need the freedom to roam in order to thrive.  They can find shelter from hot or stormy weather; they can find water in ponds and streams; and they can exploit the range of vegetation at different places and at different times of year.  Imagine if they were to be constrained to areas without this variation - their condition would quickly deteriorate.

The same is true for fish and we have an opportunity through our stream restorations to re-establish the diversity.  By restoring meandering streams we provide the physical conditions from which the natural processes can take over and the stream life can return at nature's pace. These changes do not occur overnight and we have seen at sites restored in the past that benefits can show quickly but may take years to establish fully.

Of course we are concerned about disturbing the existing fish populations during work.  That is why we undertake fish surveys before work and then capture and relocate them downstream just prior to work starting - these techniques are widely used across the country and allow us to minimise the impacts on the existing population during work.  After the work we are carrying out further surveys of fish and invertebrates at sample locations to see how quickly the stream life returns. I was talking with one of the people doing this monitoring work the other day and I was struck by his enthusiasm about the increasing numbers of fish and invertebrates he had been observing over successive visits - it's early days but very encouraging.

Concern has also been raised about higher water temperatures if scrub adjacent to the streams is removed and their shading effects lost.  Often this scrub has established on the drier spoil banks created when streams were dredged. Removing this scrub allows us to flatten the spoil banks and permit the stream to flood out naturally during high flows onto the adjacent floodplain - a key part of restoring natural processes. This is important "surgery" before healing can take place. 
Water temperatures will vary and it is this variation in different parts of the stream and at different times of the year that is important for the survival of fish at all of their stages of development.  The vital factor is that fish have opportunity to utilise the natural temperature variation created by pools and riffles and the vegetation in the stream.  So by restoring this physical diversity we also restore the natural temperature variations that we also seek.

All restoration schemes are planned and executed to minimise the impacts on wildlife.  The measure of success of these schemes will come with evidence of their condition over time once nature has responded to the physical changes.  Anyone left in doubt that these transformations are beneficial should visit some of the earliest sites on the Forest restored in the early 2000s - their condition is impressive and certainly more in character with the Forest we all know and love.

Bruce Rothnie
Deputy Surveyor
21st September 2016


--used with permission with our thanks.

This is part of the NFA's initiative to publicise good works on the Forest.  Presentments by the Deputy Surveyor ordinarily do not enter the public record until the minutes of the whole Court, including the in camera sessions, are approved at the subsequent month's sitting, unless directly reported by the local papers.

Those opposed to some of the wetland/river restorations have floated some theories suggesting detrimental impacts for fish.  The Brown Trout observed spawning in a restored section of Harvestslade Bottom, three months after the works were completed, clearly didn't get their memo.