Riparian willow structural complexity assessment (Parulidae)

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Method synopsis

Combined vertical (Robel pole) and horizontal (line intercept) measurements to quantify willow habitat structural complexity including height diversity, average height, patchiness, frequency and cover.

Synthesized from method descriptions across 2 papers using this protocol.

Typical Equipment

• modified Robel pole
• 3x200-cm PVC pipe marked at 0.5 m intervals
• meter tape
• GIS software
• aerial photographs

Output Measurements

• foliage height diversity
• average height
• coefficient of variation in height
• willow frequency
• patchiness
• horizontal cover
• willow cover

Papers Using This Protocol (2)

Species Studied With This Protocol