Jornada LTER Data on Soil Resource Distribution and Desertification

Jornada Long Term Ecological Research Network data documents changes in soil resource distribution as an index of desertification in semiarid lands. The project studies over 100,000 hectares of the Chihuahuan Desert in southern New Mexico, funded by the National Science Foundation. Research focuses on the hypothesis that vegetation change from grassland to shrubland creates patchy 'islands of fertility' under shrubs.

Use Cases

• Analyze temporal trends in soil nutrient concentrations to model the development of 'islands of fertility' under shrub canopies.
• Correlate vegetation type data with soil resource distribution metrics to test hypotheses on grassland-to-shrubland transitions.
• Map spatial patterns of soil erosion and nutrient loss in inter-shrub spaces using geospatial plot data.
• Compare ecosystem process data from the Jornada basin with other Chihuahuan Desert MAB Reserves for cross-site studies.

Strengths

• Research spans two large contiguous land areas totaling over 100,000 hectares.
• Part of a network-wide information system integrating over 2000 ecological datasets for comparative analysis.
• Designated as a Man and the Biosphere Reserve, enabling structured international comparative studies.

Limitations

• Specific row counts, column details, and temporal coverage for individual datasets are not provided.
• Geographic focus is primarily on the northern Chihuahuan Desert, which may limit direct applicability to other arid ecosystems.
• Data accessibility and structure for individual studies within the project are unclear from the description.

Provenance

Source

Jornada Long Term Ecological Research Network, funded by the National Science Foundation.

Collection Method

Field research conducted in various habitat types within the Chihuahuan Desert Rangeland Research Center and USDA Jornada Experimental Range.

Geography

Jornada del Muerto Basin in southern New Mexico, USA, at the northern end of the Chihuahuan Desert.