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52 results for “rocky reefs”
Indicative distribution map for Ecosystem Functional Group M1.6 Subtidal rocky reefs
<p>This archive contains indicative distribution maps and profiles for <strong>M1.6 Subtidal rocky reefs</strong>, a ecosystem functional group (EFG, level 3) of the <a href="https://global-ecosystems.org/">IUCN Global Ecosystem Typology</a> (v2.0). Please refer to Keith <em>et al.</em> (2020) for details.</p> <p>The descriptive profiles provide brief summaries of key ecological traits and processes, maps are indicative of global distribution patterns, and are not intended to represent fine-scale patterns. The maps show areas of the world containing major (value of 1, coloured red) or minor occurrences (value of 2, coloured yellow) of each ecosystem functional group. Minor occurrences are areas where an ecosystem functional group is scattered in patches within matrices of other ecosystem functional groups or where they occur in substantial areas, but only within a segment of a larger region. Given bounds of resolution and accuracy of source data, the maps should be used to query which EFG are likely to occur within areas, rather than which occur at particular point locations. Detailed methods and references for the maps are included in the profile (xml format).</p>
Fig. 1 in Dynamics of fish assemblages on a continuous rocky reef and adjacent unconsolidated habitats at Fernando de Noronha Archipelago, tropical western Atlantic
Fig. 1. Map of the Fernando de Noronha Archipelago showing the study area (Porto Beach) and permanent sampling stations.
Fig. 3 in Dynamics of fish assemblages on a continuous rocky reef and adjacent unconsolidated habitats at Fernando de Noronha Archipelago, tropical western Atlantic
Fig. 3. Canonical plotting of microhabitat characteristics (arrows) and fish species (points). Rug.: rugosity; Crev.: number of crevices; S. height: substratum height; C. algae: percent cover of encrusting coralline algae; Macr.: percent cover of Macroalgae; Turf: percent cover of turf algae; L. coral: percent cover of live coral; Other: percent cover of other organisms; B. rock: percent cover of bare rock; Sand: percent cover of sand and limestone; IHC: index of habitat complexity; Species names are abbreviated as the first three letters of genus and first three letters of specific epithet (see Table 4 for full scientific names).
FIGURE 4 in Fish assemblage structure related to habitat heterogeneity in rocky reefs in the Mexican Pacific coast
FIGURE 4 | Non-metric multidimensional scaling for fish assemblage data for the California Current (CC) and North Equatorial Current (NEC) in the sample sites: Caleta de chon (CH), Las Gatas (LG), Manzanillo (MZ), and Zacatoso (ZC). Horizontal and vertical scatter bars represent 95% confidence interval.
FIGURE 3 in Fish assemblage structure related to habitat heterogeneity in rocky reefs in the Mexican Pacific coast
FIGURE 3 | Rarefaction curves of species richness for the California Current (CC) and North Equatorial Current (NEC) in the sampled sites: Caleta de chon (CH), Las Gatas (LG), Manzanillo (MZ), and Zacatoso (ZC). Shaded area represents 95% confidence interval.
FIGURE 2 in Fish assemblage structure related to habitat heterogeneity in rocky reefs in the Mexican Pacific coast
FIGURE 2 | Principal component analysis of (A) sea water conditions and (B) heterogeneity components in sampling sites for the California Current (CC) and North Equatorial Current (NEC). Sampled sites: Caleta de chon (CH), Las Gatas (LG), Manzanillo (MZ), and Zacatoso (ZC). Horizontal and vertical scatter bars represent 95% of confidence interval.
FIGURE 1 in Fish assemblage structure related to habitat heterogeneity in rocky reefs in the Mexican Pacific coast
FIGURE 1 | Geographic location of the Ixtapa and Zihuatanejo bays in the Pacific Coast of Mexico and sampling sites.
FIGURE 8 in Rocky reef fish biodiversity and conservation in a Brazilian Hope Spot region
FIGURE 8 | Heniochus acuminatus. A. The SRV frame recorded on MAR 2019 at Redonda Island, inside of the MPA, close to Acanthurus bahianus; B. H. acuminatus photographed in April 2022 (photo by Augusto A. Machado).
FIGURE 4 in Rocky reef fish biodiversity and conservation in a Brazilian Hope Spot region
FIGURE 4 | Elasmobranchs commonly observed on Rio de Janeiro coastal islands rockyreefs: A. Gymnura altavela, B. Myliobatis freminvillei, and C. Zapteryx brevirostris; new records D. Sarda sarda and E. Chromis vanbebberae; and the most common species: F. Diplodus argenteus, G. Cantherhines pullus, and H. Haemulon aurolineatum. Photos: Augusto A. Machado (A–B), Suzana Guimarães (D), Áthila A. Bertoncini (C, E–H).
FIGURE 3 in Rocky reef fish biodiversity and conservation in a Brazilian Hope Spot region
FIGURE 3 | The richest families reported along the coastal islands and surrounding waters of Rio de Janeiro metropolitan region, Brazil.
FIGURE 2 in Rocky reef fish biodiversity and conservation in a Brazilian Hope Spot region
FIGURE 2 | Submersible Rotating Videos "SRV" in operation on Redonda Island. Photo: Áthila A. Bertoncini.
FIGURE 10 in Rocky reef fish biodiversity and conservation in a Brazilian Hope Spot region
FIGURE 10 | Venn diagram representing exclusive and shared species richness recorded in the study areas: large-bold-grey numbers are the total number of species in each area; small numbers represent exclusive species in each area; medium size numbers represent the share between/among areas.
FIGURE 1 in Rocky reef fish biodiversity and conservation in a Brazilian Hope Spot region
FIGURE 1 | Maps and photographs of the study area (Coastal Islands of Rio de Janeiro metropolitan region). A. The State of Rio de Janeiro in Southeast Brazil; B. The Guanabara Bay and the archipelagos/islands along the southern coast, Z13 fishermen's colony (red square) and Z7 fishermen's colony (red circle); C. Tijucas Archipelago; D. Cagarras Archipelago and Redonda Island and Filhote da Redonda Islet forming the MONA Cagarras MPA; E. Cotunduba Island; F. Rasa Island; G. Maricás Archipelago; H. Aerial view from West of the Tijucas Archipelago; I. Aerial view from Northwest of MONA Cagarras, depicting Rasa Island in the far background; J. Aerial view from Southeast of Cotunduba Island; K. Aerial view from East of the Maricás Archipelago. Credits: Augusto A. Machado (A-G); Áthila A. Bertoncini (H, I, K); Fred Cunha (J).
FIGURE 9 in Rocky reef fish biodiversity and conservation in a Brazilian Hope Spot region
FIGURE 9 | Doughnut chart showing the assigned categories (%) of threatened fish species according to the IUCN and the Brazilian (ICMBio, 2018) red lists. CR = Critically Endangered, DD = Data Deficient, EN = Endangered, LC = Least Concern, NE = Not Evaluated, NT = Near Threatened, VU = Vulnerable.
FIGURE 6 in Rocky reef fish biodiversity and conservation in a Brazilian Hope Spot region
FIGURE 6 | Rare fish species recorded on Rio de Janeiro coastal islands rockyreefs: A. Hippocampus reidi, B. Callionymus bairdi, C. Haemulon plumierii, D. Sargocentron bullisi, E. Chromis flavicauda, F. Pronotogrammus martinicensis, G. Centropyge aurantonotus, and H. Bodianus rufus. Photos: Áthila A. Bertoncini.
FIGURE 5 in Rocky reef fish biodiversity and conservation in a Brazilian Hope Spot region
FIGURE 5 | Rare fish species recorded on Rio de Janeiro coastal islands rocky reefs: A. Thalassoma noronhanum, B. Paranthias furcifer, C. Xyrichtys splendens, D. Clepticus brasiliensis, E. Eques lanceolatus, F. Uraspis secunda, G. Scarus zelindae and H. Ptereleotris randalli. Photos: Áthila A. Bertoncini (A–B, E–H), Augusto A. Machado (C, D).
FIGURE 7 in Rocky reef fish biodiversity and conservation in a Brazilian Hope Spot region
FIGURE 7 | Two cryptic species observed at a particular gravel bottom at Tijucas Archipelago. A. Gobulus myersi (new record) and Paraclinus spectator. Photos: Áthila A. Bertoncini.
Data from: Environmental and local habitat variables as predictors of trophic interactions in subtidal rocky reefs along the SE Pacific coast
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Resolving the context-dependency of local heterogeneity-diversity relationships across rocky reefs worldwide
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Figure 1 in Macrocrustaceans associated with reefs of Phragmatopoma caudata Krøyer in Mörch, 1863 (Polychaeta: Sabellariidae) and rocky shore in the Northeastern Brazil
Figure 1. Study area and collection of macrocrustaceans in colonies of Phragmatopoma caudata KrØyer in Mörch (highlighted by the white square) and rocky shore in the intertidal region of Santa Rita beach, Northeast Brazil.
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