Related Experiment Video
Updated: Jun 9, 2026
10:39
Multimodal Optical Microscopy Methods Reveal Polyp Tissue Morphology and Structure in Caribbean Reef Building Corals
Published on: September 5, 2014
Mangrove forest composition and structure in Las Perlas Archipelago, Pacific Panama
Tom McGowan1, Sarah L Cunningham, Héctor M Guzmán
1Centre for Marine Biodiversity and Biotechnology, School of Life Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK.
Revista De Biologia Tropical
|August 27, 2010
Summary
Mangrove forests in Panama
Area of Science:
- Ecology
- Forestry
- Environmental Science
Background:
- Mangrove ecosystems provide critical services but face significant threats from human activities in Panama.
- Large-scale mangrove loss in the Las Perlas Archipelago (LPA) remains undocumented and lacks management strategies.
- This study addresses the urgent need to understand mangrove structure and dynamics in the face of ongoing environmental pressures.
Purpose of the Study:
- To assess and describe the mangrove forest structure on Isla del Rey and Isla San Jose in Panama's Las Perlas Archipelago.
- To identify the primary drivers of mangrove loss in the region.
- To provide baseline data for future mangrove management and conservation efforts.
Main Methods:
- Analysis of Landsat satellite imagery from 1974-2000 to quantify mangrove loss.
- Establishment of permanent plots following the CARICOMP protocol in May 2006.
- Standardized recording of mangrove species, tree height, and diameter at breast height for adult trees and seedlings.
Main Results:
- Significant mangrove loss occurred in the LPA between 1974 and 2000, primarily due to timber extraction and agriculture.
- Distinct mangrove forest structures were identified across the study sites, with R1 dominated by Laguncularia racemosa, R2 by Pelliciera rhizophorae, and SJ by Rhizophora mangle.
- Sites R1 and R2 showed signs of spatial dynamism and rejuvenation, while SJ appeared more static with a mature forest structure and limited seedling regeneration.
Conclusions:
- The LPA exhibits diverse mangrove structures, indicating varied responses to past human impacts and natural factors.
- The observed differences in forest structure and regeneration suggest varying levels of resilience and recovery potential.
- Establishing permanent plots and continuous monitoring are crucial for developing effective management plans to conserve the unique mangrove ecosystems of the LPA amidst potential coastal development.
Related Concept Videos
01:28Softwoods and Hardwoods
Softwoods and hardwoods, derived from different types of trees, are distinguished by their leaf structures and cellular compositions, each serving unique purposes in construction and manufacturing. Softwoods come from cone-bearing trees with needle-like leaves and are predominantly composed of longitudinal cells called tracheids and a smaller proportion of radial cells known as rays. Due to their cellular structure, softwoods are commonly used in construction for structural frames, sheathing,...
01:30Marine Microbial Ecology
Marine microbial ecosystems are shaped by distinct physicochemical limits, including high salinity, low nutrient availability, and fluctuating oxygen levels. These conditions favor smaller microbial cell sizes, which maximize their surface-to-volume ratio for efficient nutrient uptake.Microbial activity and community composition are closely linked to biogeochemical cycles, particularly in dynamic environments like estuaries, where halotolerant microbes thrive in response to variable salinity...
02:31Habitat Fragmentation
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
01:21Structural Properties and Dimensions of Lumber
Wood's structural properties derive from fibers aligned along the tree's length, contributing significantly to its mechanical strength. Wood exhibits up to twenty times greater tensile strength along these fibers compared to across them, and generally shows better performance under compression than tension. The length of fibers varies, with hardwoods having fibers around one twenty-fifth inch long and softwoods ranging from one-eighth to one-third inch.
The strength characteristics of wood are...
The strength characteristics of wood are...
01:18Wood Panel Products
Wood panel products are essential materials used in construction for applications such as flooring, siding, and roofing, typically available in standard dimensions of 4 feet by 8 feet, with thicknesses varying from one-quarter of an inch to one and one-eighth inches. Among the most common types of wood panels is plywood, which is produced by gluing multiple layers of thin wood veneers under pressure. The grain of the outer veneers runs lengthwise, while the grains of the interior layers run...
01:18Deep Sea Microbial Ecology
The deep ocean and its underlying sediments represent vast, largely unexplored microbial habitats that extend far beyond the sunlit photic zone. The photic (euphotic) zone typically spans the upper ~100–200 meters of pelagic waters in the open ocean, but its depth varies geographically and seasonally, where sufficient light supports photosynthetic life. Below this lies the deep sea, spanning roughly 1000–6000 meters (bathypelagic to abyssal zones), with deeper hadal trenches extending beyond...