Tijuana Estuary Tidal Restoration Program: I & 2

Status Planning County San Diego
Project Type Non-mitigation Location 32.55223° N, -117.11369° W Map
Project Area (Acres) 2,180 Last Updated 19 August 2021
Project Abstract The Tijuana Estuary Tidal Restoration Program’s (TETRP) is a large multi-phased wetland restoration program involving up to 500 acres of restoration. Its primary objective is to restore valuable habitat processes that have been lost and to increase the exchange of water in a tidal cycle.
Project Groups Southern California Wetlands Recovery Project

Project Identification

92-034-01 SCC - Project Number (Restoration)

Habitat Plan

Site NamePhaseActivitySubActivitiesHabitatSubHabitatAcresActivity StatusWater Regime
TETRP 1: Phase 2 None Restoration (unspecified) Estuarine Wetland Emergent Saline to Brackish Marsh 480.0 Completed
TETRP I None Enhancement Sediment Management, Vegetation Estuarine Wetland Marsh 1,600 Completed Mixed
Tijuana Estuary Preliminary design Restoration (unspecified) Estuarine Wetland Emergent Saline to Brackish Marsh 100.0 Planning in-progress

Related Habitat Impacts

HabitatAcres LostType of Loss
No Data


TETRP 1: Phase 2 Completed 480.0
TETRP I Completed 1,600
Tijuana Estuary Planning/Scoping 100.0


DateTypeDescriptionSite Name
2019-12-04 Phase start Tijuana Estuary
2010-01-11 Project end date


Contact Mayda WInter Southwest Wetlands Interpretive Association Not applicable/Unknown


Funding Need: $200,000

Preliminary design Restoration (unspecified) Unknown/Unspecified $895,000

Related CRAM Assessments

Visit DateVersionSite NameWetland TypeIndex Score
2015-10-08 6.1 Tijuana River Estuary AA#4 bar-built estuarine 84
2015-10-08 6.1 Tijuana River Estuary AA#3 bar-built estuarine 68
2015-10-08 6.1 Tijuana River Estuary AA#1 bar-built estuarine 65
2015-10-08 6.1 Tijuana River Estuary AA# 2 bar-built estuarine 71
2008-01-31 5.0.1 Model Marsh estuarine perennial saline 67
2008-01-31 5.0.1 Model Marsh estuarine perennial saline 75
2008-01-31 5.0.1 Model Marsh estuarine perennial saline 64
2008-01-31 5.0.1 Oneonta Slough estuarine perennial saline 59
2007-11-28 5.0.1 Tijuana River Estuary-main channel estuarine perennial saline 69
2007-11-28 5.0.1 Tijuana River Estuary-Border Field estuarine perennial saline 66
2005-06-16 3.0 Tijuana South estuarine perennial saline 90
2005-06-16 3.0 Tijuana North estuarine perennial saline 66

No files found.

How to Use the Habitat Development Curve

Habitat Development Curves (HDCs) are used to determine the developmental status and trajectory of on-the-ground projects to create, restore, or enhance California wetland and stream habitats. Each HDC is based on assessments of habitat condition for different age areas of one habitat type that in aggregate represent the full spectrum of habitat development. The assessments of condition are provided by expert applications of the California Rapid Assessment Method (CRAM). Visit the CRAM website for more information about CRAM.

For each HDC, reference condition is represented by areas of a habitat that consistently get very high CRAM scores, have not been subject to disruptive management practices, and exist within landscapes that are protected and managed for their natural conditions. The horizontal lines intersecting the top of an HDC represent the mean CRAM score and standard deviation of scores for 25 qualifying reference areas.

The age of a project is estimated as the elapsed time in years between the groundwork end date for the project and the date of the CRAM assessment. To add or update a groundwork end date, use the Project Events form in Project Tracker (ptrack.ecoatlas.org). The minimum age in years of a non-project area, including any natural reference area, is estimated from all available local information, including historical maps and imagery, historical written accounts, and place-specific scientific studies of habitat development.

An HDC can be used to address the following questions:

  1. At what time in the future will the area of assessed habitat achieve the reference condition or other milestones in habitat development? The HDC can answer this question if the CRAM score for the assessed area is within the confidence interval of the HDC. The answer is the time in years along the HDC between the current age of the assessed area and the future date corresponding to the intersection of the HDC and the reference condition or other milestone.
  2. Is the area of assessed habitat likely to develop faster, slower, or at the same pace as most other areas of the same habitat type? The habitat area is likely to develop faster, slower, or at the same pace if the CRAM score for the area is above, below, or within the confidence interval of the HDC, respectively.
  3. What can be done to improve the condition of the habitat area or to increase its rate of development? HDCs by themselves cannot answer this question. Possible answers can be inferred by the following analysis that involves HDCs:
    1. Examine the HDC for each of the four CRAM Attributes;
    2. Identify the Attribute(s) scoring below the HDC;
    3. For any low-scoring Attribute, examine the component Metric Scores (note: the Metric Scores for any public CRAM assessment in the CRAM database can be obtained through EcoAtlas);
    4. Assume the low score of an Attribute is due to its low-scoring Metric(s);
    5. Consider modifying the design or management of the habitat area in ways that will sustainably increase its score(s) for the low-scoring Metric(s).

For more information about CRAM Attributes and Metrics, including their scientific rationale, see the CRAM Manual.

Display Habitat Development Curves For Wetland Type:

CRAM Site Scores