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Introduction
Barrett L. Brooks currently works at the Department of Botany, Smithsonian Institution. Barrett does research in Ecology, Phycology and Marine Biology. His current projects focus on Caribbean algae.
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Current institution
Publications
Publications (20)
Stable isotope analysis of preserved natural‐history specimens from long‐term storage can provide useful data about energy flow and trophic structure in ecosystems of the past. Nitrogen isotope values from primary producers are used as critical food web baselines, while both nitrogen and carbon isotopes expose the presence of sewage contamination a...
Two rarely reported and one newly described species of benthic marine algae are herein recognized from deep-water habitats at Bonaire, representing the first Caribbean reports of each. Archestenogramma profundum is previously known only from its type collection in Bermuda at 17 m depth and the rarely reported Halymenia integra is known originally f...
Coral reef health assessment has relied on benthic photographic surveys as an essential measurement tool for decades. The emergence of gigapixel image (1 billion pixels) stitching technologies makes possible the creation of high-definition benthic image map surveys
(HDBIMS). These image maps provide the traditional overall percentage coverage data....
Located in the Dutch Windward Islands, Saba Bank is a flat-topped seamount (20-45 m deep in the shallower regions). The primary goals of the survey were to improve knowledge of biodiversity for one of the world's most significant, but little-known, seamounts and to increase basic data and analyses to promote the development of an improved managemen...
The experiments to compare DIN and SRP enrichment effects on algal community development were conducted within a lagoonal rubble/sand reef apron west of the back reef flat at Carrie Bow Cay, Belize. Macroalgae dominate (23 taxa, 57% cover), ambient dissolved inorganic nutrient concentrations are above the levels documented for release of macroalgal...
Threshold levels (i.e., tipping points where the probability of community phase shifts is increased and the potential for recoverability is reduced) for critical bottom-up interactions of productivity (e.g., nutrients) and those for top-down disturbances (e.g., herbivory) must be known to manage the competitive interactions determining the health o...
A conceptual paradigm, the “Relative Dominance Model”, provides the perspective to assess the interactive external forcing-mechanisms controlling phase shifts among the dominant benthic functional groups on tropical coral reefs [i.e., microalgal turfs and frondose macroalgae (often harmful) versus reef-building corals and calcareous coralline algae...
The results reported in this paper demonstrate suboptimal experimental designs in some of the previously published manipulative methods and provide insights for the improvement of in-situ nutrient studies on coral reefs. Overgrown 0.5-liter porous clay-pot diffusers (“mini-reefs”—following a decade of recruitment, colonization and competition) were...
The discovery of astounding mound-building forms of Avrainvillea (to 30 m diam.) catalyzed this study. These colonial (possibly clonal) mounds dominate the standing stocks and productivity of protected, shallow, eutrophic interiors of Belizean mangrove islands. A common-garden reciprocal-transplant experiment showed that the mound formers (A. longi...
One hundred and fifty two species of marine macrophytes (148 algae and 4 vascular plants) were recorded from ponds (embayments, bays, coves, and lagoons) within the Pelican Cays, a recently recognized atoll-like system of the Rhomboid Cays in the Central Province of the Belize Barrier Reef. Of the algae, 64 were Rhodophyta, 59 Chlorophyta, 16 Phaeo...
A spectacular mound-like reef formation (126 m in circumference, 10 m high) dominated by highly arched and record-size colonies
of the unattached mushroom coral Halomitra pileus, along with 17 other species of the family Fungiidae, occurs in 31 m of water on the sedimentary lagoon floor of the Great
Astrolabe Reef, Fiji. Core samples show radiocar...
Sixty three species of marine macrophytes (61 algae and 2 vascular plants) were found in the habitats within and surrounding the fractured eat zone of Tobacco ! Range, a previously unrecognized ecosystem of the Central rovince of the Belize Barrier Reef. Of the algae, 35 are Chlorophyta, 22 Rhodophyta, and 4 Phaeophyta; 14 taxa are new records for...
