GROAN Node · Caribbean Theater · Active
Field Research Partner

Centro Ecológico
Akumal

Akumal Bay · Quintana Roo · México · Est. 1993

One of the Mesoamerican Reef's most dedicated monitoring organizations, CEA has protected Akumal Bay's coral reefs, seagrass meadows, and sea turtle populations for over three decades. As GROAN's primary Caribbean field node, CEA contributes continuous ecological data across four research programs — anchoring the Rim Run Caribe™ science circuit at its first waypoint.

30+
Years Active
50km
Coastline
92K
Hatchlings 2023
4
Programs
🌊
CENTRO
ECOLÓGICO
AKUMAL
GSIN
Primary Module
73
DTIs Active
12
Data Sources
71.8
Decision Score
1,472
Nests · 2023
Hector A. Lizarraga
Director, CEA

Four Pillars, One Ecosystem

CEA's four core programs produce the continuous field data that feeds GROAN's cross-ecosystem decision engine — seagrass health, coral structure, sea turtle population dynamics, and the tourism pressure threatening all three.

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Coral Reef Communities

Permanent monitoring across patch reef, reef crest, and fore reef habitats tracks live coral cover, algae overgrowth, and bleaching incidence. An active nursery propagates Acropora palmata and A. cervicornis — Akumal's primary reef builders — with 847 active fragments currently under cultivation.

Coral CoverBleach IndexAcropora NurseryGRIN Feed
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Seagrass Monitoring

All three native seagrass species monitored across four transect zones — Thalassia testudinum, Syringodium filiforme, and Halodule wrightii. This data stream directly feeds GROAN's GSIN module, the primary seagrass intelligence layer for the Caribbean theater. Turtle grazing pressure and fragmentation tracked biweekly.

T. testudinumS. filiformeH. wrightiiGSIN PrimaryFragmentation
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Sea Turtle Conservation

Since 1995, CEA has protected nesting beaches and foraging grounds across four Akumal beaches. A photo-ID catalog tracks 247 individual turtles — Chelonia mydas, Caretta caretta, and Eretmochelys imbricata. The 2023 season logged 1,472 nests and returned an estimated 92,300 hatchlings to the Caribbean.

Photo IDNesting PatrolBehavioral StudyGMAIN Feed4 Beaches
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Tourism Impact Studies

Daily snorkeler counts (08:00–17:00), in-water behavioral observation, geo-referenced turtle feeding zones, water visibility monitoring, and video patrol. Since 2016 coral reef structure has declined over 50% while algae overgrowth has tripled — a direct consequence of unregulated tourism CEA is working to reverse with evidence-based policy.

Daily Counts5m RuleWater DynamicsVideo PatrolPolicy Evidence

CEA as a GROAN Node

CEA's field data streams into GROAN's five-level cross-ecosystem decision architecture. The Decision Score synthesizes reef health, seagrass density, turtle population trends, tourism pressure, and water chemistry into a single actionable output — giving CEA's researchers and policymakers a decision-support layer no single-ecosystem monitoring framework can produce.

Current Decision Score · Akumal Bay

GROAN integrates CEA's field observations with satellite thermal data (NOAA CRW), global fishing vessel tracking, AIMS long-term monitoring baselines, and Allen Coral Atlas remote sensing to generate cross-ecosystem decisions. The current score of 71.8/100 triggers a Tier B management protocol — recommending a reduction in daily snorkeler capacity and suspension of fore reef access during the active bleaching event.

DS = α · E[Benefit] − β · Risk − γ · Cost + δ · Feasibility
α · E[Benefit]
+31.2
β · Risk
−8.4
γ · Cost
−5.8
δ · Feasibility
+54.8
Decision Score · DS
71.8/100
Tier B · Action Recommended
Active GROAN Modules · Caribbean Theater
CEA · Live Field Dashboard
Prototype display · GROAN integration · Caribbean Theater · Akumal Bay
GROAN NODE · 08 MAY 2026 · 09:42
GROAN Modules
GSIN82
Seagrass intel · Akumal primary
GMIN78
Coral reef integrity & bleaching risk
GMAIN61
Species diversity & trophic pressure
GRIN74
Cross-module synthesis · L3 output
GCIN88
Aragonite saturation · thermal anomaly
Decision Score · DS = α·E[Benefit] − β·Risk − γ·Cost + δ·Feasibility
DS · AKUMAL BAY
71.8/100
✓ Tier B · Reduce snorkeler cap + suspend fore reef access
DS = α·E[Benefit] − β·Risk − γ·Cost + δ·Feasibility
α · E[Benefit]
+31.2
β · Risk
−8.4
γ · Cost
−5.8
δ · Feasibility
+54.8
Akumal Bay · Field Map · 20.3945°N 87.3137°W
LT-near SG-T1 SG-T2 LT-far 🐢 ⚠ bleach HALF MOON BAY AKUMAL BAY JADE BAY N↑
Key DTIs · Akumal Bay
SG Density
71.2 g/m²
Coral Cover
38.4%
DHW
4.2 °C-wk
ΩArag
2.81
SST Anomaly
+1.4°C
Snorkelers
376
Intelligence Feed
Thermal Alert
DHW exceeding 4°C-weeks. Bleaching onset threshold breached at Akumal ref station.
GSIN Flag
Seagrass fragmentation elevated in N transect. Turtle grazing nominal.
Decision Trigger
GRIN L3 decision queued: reef protection protocol pending human review.
Tourism
94% daily capacity reached. 3 vessels in exclusion zone flagged by GFW.

The People Behind The Data

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Hector Antonio Lizarraga Cubedo
Director · CEA

Primary point of contact for the GROAN partnership. Oversees all research, education, and outreach operations across CEA's four program areas and 50km of managed coastline.

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Baruk Figueroa
Coordinator · Coastal Ecosystems

Marine biologist, 600+ dives, 8+ years in Quintana Roo conservation. Leads reef monitoring, seagrass surveys, coral nursery operations, and the sea turtle photo-ID catalog.

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Cristian Aguirre
Communications · GROAN Liaison

Primary communications contact for GROAN node coordination, data sharing protocols, and ongoing research partnership development between CEA and Nevado Ranch Camp LLC.

Get Involved

Join the CCRA

The Caribbean Coastal Reef Alliance — GROAN's citizen science network — is open to researchers, divers, and institutions across the Caribbean theater.

Citizen Science Network All Research Partners