📍 H7: Pheasant's Hill

River: Hamble Brook Catchment: Thames & Chilterns South Filter(s): 48

Your Site at a Glance

17
Species Detected
17
Genera Identified
15
Families Found
13,354
DNA Sequences

How Your Site Compares

Metric Your Site Hamble Brook Average Study Average
Species 17 110 206
Genera 17 87 151
Families 15 57 83
EPT Families 1 5 6

Rank 5 of 5 on Hamble Brook Rank 81 of 81 in study

🌊 Water Quality Indicators

Poor

BMWP score: 20 (Poor) — ASPT score: 5.0 (Good)

4 scoring macroinvertebrate families detected

Indicators suggest polluted or significantly impacted water quality at this site.

🔍 Notable Findings

Conservation Species:

Invasive Species:

🦋 Top 10 Families at Your Site

1. Cyprinidae (Carp and Allies)
2 (11.8%)
2. Gasterosteidae (Sticklebacks)
2 (11.8%)
3. Erpobdellidae (Jawless Leeches)
1 (5.9%)
4. Drosophilidae (Vinegar Flies)
1 (5.9%)
5. Lygaeidae (Seed Bugs)
1 (5.9%)
6. Cerambycidae (Longhorn Beetles)
1 (5.9%)
7. Chironomidae (Non-biting Midges)
1 (5.9%)
8. Crambidae (Grass Moths)
1 (5.9%)
9. Miridae (Plant Bugs)
1 (5.9%)
10. Erebidae (Tiger Moths)
1 (5.9%)
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 ✗
5/33 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

4 fish species detected (4 families, 11 ESVs)
SpeciesFamilyESVs
Gasterosteus aculeatus (Three-spined Stickleback) Gasterosteidae 4
Salmo trutta (Brown Trout / Sea Trout) Salmonidae 2
Phoxinus phoxinus (Minnow) Cyprinidae 1
Leuciscus leuciscus (Dace) Cyprinidae 1

🪰 EPT Species (Mayflies, Stoneflies & Caddisflies)

1 EPT species detected (1 families, 1 ESVs — E:0 / P:0 / T:1)
SpeciesFamilyESVs
Trichoptera (Caddisflies)
Leptocerus tineiformis (Long-horned Caddisflies) Leptoceridae 1

🔗 Your Ecological Twin

Most similar site: C5 - Latimer Bridge
River: Chess (different river)
Similarity: 21% of species shared
Download Data

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

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