soil chronosequence analysis (Animalia)

Knowledge graph centered on soil chronosequence analysis (Animalia) with 10 nodes and 19 connections. Top connected: Engelmann Spruce, Pinus albicaulis, Glacial advances and soil development, Grand Mesa,, Lands End, Indian Point.

Method synopsis

Comparative analysis of soil development across surfaces of different ages to establish relative chronology. Involves detailed morphological description and mechanical composition analysis of soil horizons.

Synthesized from method descriptions across 1 paper using this protocol.

Procedure from a recent peer-reviewed implementation

Steps below were extracted from the most recent peer-reviewed implementation of this protocol in the corpus — Glacial advances and soil development, Grand Mesa, Colorado (1954), American Journal of Science. Implementations in other papers (listed below) may differ.

1. Soil profile analysis
   Conducted detailed soil profile descriptions comparing morphology and development between soils formed on different aged moraines and non-glaciated areas
   Quantities: Analyzed profiles from regional (non-glaciated), first moraine, second moraine, and valley moraine areasDuration: Part of 1947-1948 field workConditions: Profiles examined on basaltic parent material across different glacial deposits
   Equipment: soil sampling tools
2. Mechanical composition analysis
   Performed hydrometer analysis to determine percentages of gravel and rock (>2mm), sand (2.0-0.05mm), silt (0.05-0.002mm), and clay (<0.002mm) fractions for different soil horizons
   Quantities: Analysis conducted on A, B, and C horizons from regional profile (0-18, 18-28, 28-34, 34+ inches depth) and recent profile (0-18, 18-34, 34+ inches depth)Duration: Laboratory analysis following field samplingConditions: Standard laboratory conditions for hydrometer analysis
   Equipment: hydrometer

Typical Equipment

• soil sampling tools
• hydrometer

Output Measurements

• soil horizon depths
• mechanical composition percentages
• relative ages

Papers Using This Protocol (1)

Species Studied With This Protocol

Places Where Used