Sarsgrove Wood
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Condition (Natural England)
| Unit | Feature | Condition | Area (ha) | Assessed |
|---|---|---|---|---|
| SP302242 | — | Favourable | 19.36 | 2009-06-11 |
| SP306244 | — | Unfavourable Recovering | 22.56 | 2013-05-29 |
Geology & landscape
Rock Type: Limestone
Landscape processes: Fluvial
Description
Area, 41.5 hectares 102.54 ac Description An outstandingly varied and largely ancient wood occupying the north and south facing flanks of a small valley on the eastern edge of the Cotswolds where few such sites remain. The geology is complex with clays, siltstones, limestone and grit providing a wide range of soil conditions. These are reflected in the variety of different types of woodland vegetation and the long list of plants indicating both historical continuity and sympathetic management. A stream with tributary runnels flows along the length of the site. On its narrow alluvial plain, base rich alder woodland occurs where alternate leaved golden saxifrage Chrysosplenium alternifolium is known in its only Oxfordshire locality. Poorly drained soils on the valley sides are dominated by stands of ash wych elm and wet ash maple in association with pendulous sedge Carex pendula, opposite leaved golden saxifrage Chrysosplenium oppositifolium, nettle leaved bellflower Campanula trachelium and herb paris Paris quadrifolia, scaly male fern Dryopteris affinis and autumn crocus Colchicum autumnale. More freely drained areas support stands of ash maple and acid oak ash hazel, much of which has been managed as coppice with standards. Here the ground flora includes spectacular displays of early purple orchid Orchis mascula, primrose Primula vulgaris, bluebell Hyacinthoides non-scripta, early dog and sweet violets Viola reichenbachiana and V. odorata and the uncommon narrow leaved everlasting pea Lathyrus sylvestris. The woodland structure is diverse due to regular management and provides habitats for a wide variety of mammal, bird and invertebrate species. In addition there is a system of rides, stone walls and old lake beds.
Species mentioned
Show the 12 species mentioned in the description, with red-list status| English name search for this in other sites |
Latin name search with Google |
IUCN / Red List | Type | Family |
|---|---|---|---|---|
| scaly male-fern | Dryopteris affinis | LC | fern | dryopteridaceae |
| nettle leaved bellflower | Campanula trachelium | LC | herb | campanulaceae |
| alternate leaved golden saxifrage | Chrysosplenium alternifolium | LC | herb | saxifragaceae |
| opposite-leaved golden- saxifrage | Chrysosplenium oppositifolium | LC | herb | saxifragaceae |
| autumn crocus or meadow saffron | Colchicum autumnale | NT | herb | colchicaceae |
| bluebell | Hyacinthoides non-scripta | LC | herb | liliaceae |
| everlasting pea | Lathyrus sylvestris | VU | herb | fabaceae |
| early purple orchid | Orchis mascula | LC | herb | orchidaceae |
| herb paris | Paris quadrifolia | VU | herb | melanthiaceae |
| primrose | Primula vulgaris | LC | herb | primulaceae |
| early dog violet | Viola reichenbachiana | LC | herb | violaceae |
| pendulous sedge | Carex pendula | LC | sedge | cyperaceae |
Plant communities
A9 — Fast flowing river and stream, Marginal and inundation, Pond ditch and canal, Sluggish river and stream
Potamogeton natans community
Show 20 indicator speciesSchoenoplectus lacustris, Juncus bulbosus, Sparganium angustifolium, Sparganium erectum, Sparganium minimum, Alisma plantago-aquatica, Lobelia dortmanna, Equisetum fluviatile, Myriophyllum alterniflorum, Elodea canadensis, Lemna minor, Lemna trisulca, Nymphaea alba, Callitriche platycarpa, Callitriche stagnalis, Littorella uniflora, Potamogeton natans, Ranunculus trichophyllus, Glyceria fluitans, Chara subspinosa
A14 — Fast flowing river and stream
Myriophyllum alterniflorum community
Show 15 indicator speciesIsolepis fluitans, Juncus bulbosus, Fontinalis antipyretica, Lobelia dortmanna, Equisetum fluviatile, Myriophyllum alterniflorum, Lemna minor, Callitriche stagnalis, Littorella uniflora, Potamogeton filiformis, Potamogeton gramineus, Potamogeton natans, Ranunculus peltatus, Chara spp., Nitella hyalina
A17 — Chalk river and stream, Fast flowing river and stream
Ranunculus penicillatus ssp. pseudofluitans community
Show 11 indicator speciesBerula erecta, Nasturtium officinale, Elodea canadensis, Lemna minor, Callitriche stagnalis, Veronica beccabunga, Polygonum amphibium, Polygonum hydropiper, Potamogeton crispus, Potamogeton pectinatus, Ranunculus penicillatus ssp. pseudofluitans
A18 — Fast flowing river and stream
Ranunculus fluitans community
Show 12 indicator speciesFontinalis antipyretica, Fontinalis squamosa var. curnowii, Myriophyllum alterniflorum, Myriophyllum spicatum, Elodea canadensis, Mentha aquatica, Lemna gibba, Lemna minor, Potamogeton perfoliatus, Ranunculus fluitans, Glyceria fluitans, Phalaris arundinacea