Fish Weirs & Traps

Fixed structures of stone, reeds, stakes, or nets that guided fish into harvestable enclosures with low daily labor.

Core metadata

ID: fish_weirs_and_traps
Era: Ancient
First known date: -6000 (millennium)
Region: Northern Europe and other Holocene fishing landscapes
Review status: source_checked
Maturity: N/A

Prerequisites

Dependents

None.

Fields

None.

Node sources

Scientists Discover Ancient Underwater Fish Weir in Southeast Alaska (NOAA Ocean Exploration, 2022, official_agency) • Supports: node
Locator: NOAA describes fish weirs as ancient engineered fishing structures and notes that older known weirs dated about 7,500 to 8,000 years before present before the Southeast Alaska discovery.

Prerequisite edge evidence

Edge/source evidence summary:

Prerequisite edges: 2
Average edge confidence: 75%
Prerequisite sources: 2
expert_inference: 2

Prerequisite	Type	Confidence	Evidence level	Note	Sources
Basic Woodworking (woodworking_basic)	historical_predecessor	75%	expert_inference	Basic Woodworking is an earlier historical predecessor or foundation, not a one-to-one engineering dependency.	The wooden artifacts from Schöningen's Spear Horizon and their place in human evolution (Proceedings of the National Academy of Sciences, 2024, primary_paper) • Supports: edge
Basic Rope Making (basic_rope_making)	historical_predecessor	75%	expert_inference	Basic Rope Making is an earlier historical predecessor or foundation, not a one-to-one engineering dependency.	Direct evidence of Neanderthal fibre technology and its cognitive and behavioral implications (Scientific Reports, 2020, primary_paper) • Supports: edge

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