📍 B1A: Newell Lane (extra site)

River: Beane Catchment: Upper Lea (Hertfordshire) Filter(s): 133

Your Site at a Glance

140
Species Detected
106
Genera Identified
68
Families Found
317,459
DNA Sequences

How Your Site Compares

Metric Your Site Beane Average Study Average
Species 140 268 206
Genera 106 193 151
Families 68 103 83
EPT Families 1 5 6

Rank 8 of 10 on Beane Rank 61 of 81 in study

🌊 Water Quality Indicators

Poor

BMWP score: 34 (Poor) — ASPT score: 4.2 (Moderate)

8 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. Chironomidae (Non-biting Midges)
18 (12.9%)
2. Enchytraeidae (Potworms)
14 (10.0%)
3. Lumbricidae (Common Earthworms)
8 (5.7%)
4. Naididae (Aquatic Oligochaetes)
6 (4.3%)
5. Tipulidae (Crane Flies)
6 (4.3%)
6. Limoniidae (Limoniid Crane Flies)
4 (2.9%)
7. Lauxaniidae (Lauxaniid Flies)
3 (2.1%)
8. Staphylinidae (Rove Beetles)
3 (2.1%)
9. Hominidae (Great Apes and Humans)
3 (2.1%)
10. Ectopsocidae (Ectopsocid Barklice)
3 (2.1%)
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
10/33 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, 15 ESVs)
SpeciesFamilyESVs
Cottus bairdii Cottidae 3
Gasterosteus aculeatus (Three-spined Stickleback) Gasterosteidae 2
Gobio gobio (Gudgeon) Cyprinidae 1
Squalius cephalus (Chub) Cyprinidae 1

🪰 EPT Species (Mayflies, Stoneflies & Caddisflies)

1 EPT species detected (1 families, 2 ESVs — E:0 / P:0 / T:1)
SpeciesFamilyESVs
Trichoptera (Caddisflies)
Glyphotaelius pellucidus (Northern Caddisflies) Limnephilidae 1

🔗 Your Ecological Twin

Most similar site: R4 - Westmill below south bridge
River: Rib (different river)
Similarity: 27% of species shared
Download Data

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

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