📍 B9: Stapleford Church

River: Beane Catchment: Upper Lea (Hertfordshire) Filter(s): 109

Your Site at a Glance

417
Species Detected
288
Genera Identified
142
Families Found
780,993
DNA Sequences

How Your Site Compares

Metric Your Site Beane Average Study Average
Species 417 268 206
Genera 288 193 151
Families 142 103 83
EPT Families 8 5 6

Rank 2 of 10 on Beane Rank 2 of 81 in study

🌊 Water Quality Indicators

Good

BMWP score: 146 (Very Good) — ASPT score: 5.8 (Good)

25 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)
73 (17.5%)
2. Naididae (Aquatic Oligochaetes)
34 (8.2%)
3. Enchytraeidae (Potworms)
28 (6.7%)
4. Lumbricidae (Common Earthworms)
18 (4.3%)
5. Tipulidae (Crane Flies)
11 (2.6%)
6. Staphylinidae (Rove Beetles)
9 (2.2%)
7. Psychodidae (Moth Flies)
9 (2.2%)
8. Isotomidae (Isotomid Springtails)
8 (1.9%)
9. Syrphidae (Hoverflies)
8 (1.9%)
10. Limoniidae (Limoniid Crane Flies)
8 (1.9%)
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
20/33 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

12 fish species detected (7 families, 60 ESVs)
SpeciesFamilyESVs
Phoxinus phoxinus (Minnow) Cyprinidae 10
Gasterosteus aculeatus (Three-spined Stickleback) Gasterosteidae 6
Cottus bairdii Cottidae 4
Barbatula barbatula (Stone Loach) Nemacheilidae 4
Squalius cephalus (Chub) Cyprinidae 2
Gobio gobio (Gudgeon) Cyprinidae 1
Potamorrhaphis guianensis Belonidae 1
Carassius auratus (Goldfish) Cyprinidae 1
Rutilus frisii Cyprinidae 1
Phoxinus colchicus Cyprinidae 1
Salmo trutta (Brown Trout / Sea Trout) Salmonidae 1
Scomber scombrus Scombridae 1

🪰 EPT Species (Mayflies, Stoneflies & Caddisflies)

13 EPT species detected (8 families, 21 ESVs — E:7 / P:1 / T:5)
SpeciesFamilyESVs
Ephemeroptera (Mayflies)
Cloeon dipterum (Pond Olive) Baetidae 3
Paraleptophlebia submarginata (Turkey Brown) Leptophlebiidae 3
Baetis rhodani (Large Dark Olive) Baetidae 2
Baetis scambus (Small Dark Olive) Baetidae 2
Procloeon pennulatum (Large Spurwing) Baetidae 2
Serratella ignita (Blue Winged Olive) Ephemerellidae 1
Ephemera danica (The Mayfly) Ephemeridae 1
Plecoptera (Stoneflies)
Leuctra fusca (Late Needle Fly) Leuctridae 1
Trichoptera (Caddisflies)
Glyphotaelius pellucidus (Northern Caddisflies) Limnephilidae 2
Silo nigricornis (Humpless Case-maker Caddisflies) Goeridae 1
Hydroptila sparsa (Microcaddisflies) Hydroptilidae 1
Halesus radiatus (Northern Caddisflies) Limnephilidae 1
Limnephilus marmoratus (Northern Caddisflies) Limnephilidae 1

🔗 Your Ecological Twin

Most similar site: B8 - Woodhall lower
River: Beane (same river)
Similarity: 44% of species shared
Download Data

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

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