📍 E1B: parallel channel near source (winterbourne)

River: Channel Catchment: Thames & Chilterns South Filter(s): 100

Your Site at a Glance

259
Species Detected
178
Genera Identified
91
Families Found
878,872
DNA Sequences

How Your Site Compares

Metric Your Site Channel Average Study Average
Species 259 259 206
Genera 178 178 151
Families 91 91 83
EPT Families 6 6 6

Rank 1 of 1 on Channel Rank 24 of 81 in study

🌊 Water Quality Indicators

Good

BMWP score: 112 (Very Good) — ASPT score: 5.6 (Good)

20 scoring macroinvertebrate families detected

Clean water with slight impacts; a healthy community of macroinvertebrate families is present.

🔍 Notable Findings

Conservation Species:

Invasive Species:

🦋 Top 10 Families at Your Site

1. Chironomidae (Non-biting Midges)
52 (20.1%)
2. Naididae (Aquatic Oligochaetes)
32 (12.4%)
3. Lumbricidae (Common Earthworms)
12 (4.6%)
4. Limoniidae (Limoniid Crane Flies)
10 (3.9%)
5. Enchytraeidae (Potworms)
9 (3.5%)
6. Tipulidae (Crane Flies)
8 (3.1%)
7. Psychodidae (Moth Flies)
6 (2.3%)
8. Ectopsocidae (Ectopsocid Barklice)
4 (1.5%)
9. Simuliidae (Black Flies)
4 (1.5%)
10. Phalangiidae (Long-legged Harvestmen)
3 (1.2%)
Taxonomic composition

🪲 Extended Riverfly Taxa

1 Flatworms 18Dragonflies and Damselflies
2 Freshwater Snails 19Water Boatmen
3 Limpets 20Other Water Bugs
4 Bivalves 21Water Beetles
5 Aquatic Worms 22Alderflies
6 Leeches 23Caseless Caddisflies - Green Sedge
7 Crayfish 24Caseless Caddisflies - Net Spinners
8 Water Hoglouse 25Caseless Caddisflies - Non-Gilled
9 Freshwater Shrimps 26Cased Caddisflies - Hood Case-Maker
10 Invasive Non-Native Shrimps 27Cased Caddisflies - Weighted Case-Maker
11 Mayflies - Angler's Curse 28Cased Caddisflies - Bush Tailed Caddisfly
12 Mayflies - Olives 29Cased Caddisflies - Other
13 Mayflies - Prong Gilled 30Craneflies
14 Mayflies - Flatbodied 31Blackflies
15 Mayflies - Green Drake 32Non-Biting Midges
16 Mayflies - Blue-Winged Olive 33Water Snipe Flies
17 Stoneflies
19/33 Extended Riverfly taxa detected

Note: The Extended Riverfly Monitoring Initiative calculates scores based on abundance categories, which cannot be determined from eDNA presence/absence data. This checklist shows which taxa groups were detected but does not constitute an official ARMI score.

🐟 Fish Species

6 fish species detected (5 families, 30 ESVs)
SpeciesFamilyESVs
Barbatula barbatula (Stone Loach) Nemacheilidae 9
Cottus bairdii Cottidae 2
Gasterosteus aculeatus (Three-spined Stickleback) Gasterosteidae 2
Rutilus frisii Cyprinidae 2
Carassius auratus (Goldfish) Cyprinidae 1
Barbatula quignardi Nemacheilidae 1

🪰 EPT Species (Mayflies, Stoneflies & Caddisflies)

8 EPT species detected (6 families, 14 ESVs — E:2 / P:1 / T:5)
SpeciesFamilyESVs
Ephemeroptera (Mayflies)
Baetis rhodani (Large Dark Olive) Baetidae 2
Paraleptophlebia submarginata (Turkey Brown) Leptophlebiidae 1
Plecoptera (Stoneflies)
Leuctra fusca (Late Needle Fly) Leuctridae 2
Trichoptera (Caddisflies)
Glyphotaelius pellucidus (Northern Caddisflies) Limnephilidae 5
Leptocerus tineiformis (Long-horned Caddisflies) Leptoceridae 1
Drusus annulatus (Northern Caddisflies) Limnephilidae 1
Limnephilus extricatus (Northern Caddisflies) Limnephilidae 1
Rhyacophila dorsalis (Free-living Caddisflies) Rhyacophilidae 1

🔗 Your Ecological Twin

Most similar site: B6 - Woodall Estate
River: Beane (different river)
Similarity: 43% of species shared
Download Data

259 Species detected at this site — CSV format, opens in Excel

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