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311 results for “Guam”
National Checklists 2017: Guam Species List
Lists of taxa for each country and a few other administrative zones harvested from effechecka using simplified versions of geonames polygons. See <p></p>https://github.com/diatomsRcool/checklists for details<p></p>A list of species from Guam collected using effechecka and geonames polygons
National Checklists 2019: Guam Species List
Lists of taxa for each country and a few other administrative zones harvested from effechecka using simplified versions of geonames polygons. See <p></p>https://github.com/diatomsRcool/checklists for details.<p></p>A list of species from Guam collected using effechecka and geonames polygons
Nitrogen cycling and metabolic rates of aquacultured and wild Acropora coral from Guam in response to ammonium loading rates during 2020-2022
Rates from aquacultured corals and coral fragments collected in Guam in response to ammonium loading. These data are from two separate experiments, one using aquacultured corals and artificial seawater and light. The second was done with wild collected Acropora pistillata from two reef sites in Guam. The first site was West Hagåtña Bay (N13.479650, E144.741750; N13.479833, E144.741733) which had more nearby urban influences and was near the sewage outfall for the city (Redding et al. 2013). The second site was Luminao Reef (N13.4652417, E144.6477483; N13.465467, E144.648050) which was a more isolated reef on the seaward side of the breakwater for Guam’s major port. We measured respiration, gross primary production, 15N ammonium uptake to corals, related nitrogen cycling fluxes in the tanks (reminerization, net uptake, nitrification).
National Checklists: Guam Species List
Data from: GBIF.org (23 January 2025) GBIF Occurrence Download <a href="https://doi.org/10.15468/dl.vd2ajk" target="_blank" rel="noopener">https://doi.org/10.15468/dl.vd2ajk</a>
Figure 2 in Growth and Stand Density of Honduran Mahogany on Guam
Figure 2. Map of Piti Guns Unit showing the location of the three coastal defense guns (blue), the perimeters of the mahogany forest in 1992 (red), in 2018 (blue), and the area sampled (white) in 2018-2019.
Fig. 1 in Characterization of Crude and Biodiesel Oils of Jatropha curcas and Calophyllum inophyllum in Guam
Fig. 1. Potential biofuel crops in Guam. Flow chart is indicating processing to produce biofuels. (from Marutani and Martinez, presented at the 5th Regional Conference of Island Sustainability on April 15, 2014)
Fig. 2 in Genetic diversity of Serianthes nelsonii on Guam and Rota
Fig. 2. Individual-based genetic structure elucidated by admixture analysis (STRUCTURE) and distributions of genetic ancestry when the number of clusters ranged from K = 2 to 5. Each bar represents an individual of Serianthes nelsonii in the study. Different colors represent different genetic ancestry groups. The y-axis aids in estimating the percentage of each genetic ancestry group within an individual. Abbreviations of Rota population indicate sampled locations: a. I Chego/Saligai; b. Guayaungan/Sisiao; c. Ca'an; d. Talo; and e. As Igua.
Figure 1 in Genetic diversity of Serianthes nelsonii on Guam and Rota
Figure 1. Sampling sites for Serianthes nelsonii in this study. A. Sampling site of the S. nelsonii mother tree and seedlings in Ritidian, Guam. Seedlings were found under the mother plant. B. Sampling sites of S. nelsonii on Rota indicating three mature plant sites (a. I Chego/Saligai; b. Guayaungan/Sisiao; and c. Ca'an) and two out-planting sites (d. Talo and e. As Igua).
Figure 1 in The University of Guam Herbarium: The First 50 Years
Figure 1. Volcanically active islands of the Mariana Arc. A. Remains of a Japanese Zero at the former airfield on Pagan in the northern Mariana Islands. Grazing by feral cattle prevents trees from invading the field. Casuarina equisetifolia dominates the adjacent forest, while the active volcano, Mt. Pagan, dominates the skyline. Despite considerable recent volcanic activity, Pagan possesses the most diverse flora of the islands in the uninhabited northern archipelago. B. By contrast, the nearby island of Anatahan is blanketed in a thick layer of volcanic ash that has smothered its once lush vegetation. Extensive collections of plants from these and the other Mariana Islands are housed in the Guam Herbarium. Credits: Photo A, A.M. Kerr; Photo B, T. Schils.
Fig. 3 in Characterization of Crude and Biodiesel Oils of Jatropha curcas and Calophyllum inophyllum in Guam
Fig. 3. Jatropha curcas showing: field planting in Guam (3A); a close-up tree (3B); inflorescences (3C), different stages of fruits (3D); open fruit with three seeds in each fruit (3E); dried seeds and ground seeds before extracted oil (3F); oil extracts (3G); and final product of crude oils of jatropha (left) and da'ok (right) after removing sediments (3H).
Figure 2 in Land Snails of Alupat Island, a Fringing Islet of Guam, Mariana Islands
Figure 2. Terrestrial snails of Alupat. Measurements indicate shell heights. A, Pacificella variabilis Odhner, 2.7 mm; B, Omphalotropis elongatula Quadras & Möllendorff, 7.4 mm; C, O. granum (Pfeiffer), 3.6 mm; D, O. picta Quadras & Möllendorff, 5.2 mm; E, Palaina taeniolata (Quadras & Möllendorff), 2.2 mm; F, Melampus castaneus (Megerle von Mühlfeld), 10.9 mm; G, M. luteus (Quoy & Gaimard), 11.7 mm; H, Pythia scarabaeus (L.), 22 mm; I, Liardetia sculpta (Möllendorff), 2.3 mm; J, Georissa laevigata (Quadras & Möllendorff), 1.4 mm; K, Allopeas gracile (Hutton), 5.0 mm; L, Subulina octona (Bruguière) juvenile, 5.6 mm; M, Truncatella mariannarum (Quadras & Möllendorff), 6.8 mm.
Figure 1 in Growth and Stand Density of Honduran Mahogany on Guam
Figure 1. Map of Guam showing the location of the Piti Guns Unit of War in the Pacific National Historical Park. The unit boundary is marked in yellow. The boundaries for the mahogany grove are marked in red for 1992 and blue for 2018.
Figure 3 in Growth and Stand Density of Honduran Mahogany on Guam
Figure 3. Diameter (DBH in cm) distribution of 32 mature mahogany trees in a sample area at Piti Guns Unit, 2018-2019.
Figure 1 in Land Snails of Alupat Island, a Fringing Islet of Guam, Mariana Islands
Figure 1. Map of Alupat Island, a fringing islet of Guam, Mariana Islands. Image from Google Earth Pro V 7.1.5.1557; eye altitude 250 m; imagery date 14 April 2018; © DigitalGlobe 2019.
Figures 139–149. Figs 139–143 in Benthic marine diatom flora of Guam: new records, redescription of Psammodictyon pustulatum n. comb., n. stat., and three new species (Colliculoamphora gabgabensis, Lauderia excentrica, and Rhoiconeis pagoensis)
Figures 139–149. Figs 139–143. Rhoicosigma compactum (GU52N-7). Fig. 139. Three views of a live cell in different orientations (DIC). Figs 140, 141. Acid-cleaned valves showing the two contrasting raphe paths: convex valve nearly straight raphe, concave valve highly sigmoid (DIC). Fig. 142. External detail, convex valve, showing overlapping central raphe endings and pattern of striae (SEM). Fig. 143. Internal surface of concave valve. Figs 144, 145. Seminavis robusta, DIC (GU52Q-1a) and SEM (GU52Q-10a). Figs 146–149. Surirella cf. fastuosa. Fig. 146. Live cell show lobed plastid (GU66C-7). Fig. 147. Valve in DIC (GU44AQ-3) (two stacked images). Figs 148, 149. External and internal views of valve (GU66A-1, GU66A-2) (SEM). Scale bars: Figs 139–141, 143–149 = 10 µm, Figs 142 = 5 µm.
Figures 127–138. Figs 125–126 in Benthic marine diatom flora of Guam: new records, redescription of Psammodictyon pustulatum n. comb., n. stat., and three new species (Colliculoamphora gabgabensis, Lauderia excentrica, and Rhoiconeis pagoensis)
Figures 127–138. Figs 125–126. Psammodictyon pustulatum (GU66A-3) (SEM). Fig. 127. Oblique view of frustule showing linear pores on the dorsal valve face (arrow). In both Figs 127 and 128 the transition from the ventral to dorsal parts of the valvocopula is visible (arrowheads). Fig. 128. Apical view of frustule showing the distinctive topography of the ventral side of the raphe-keel, along with the linear pores on the dorsal side of the other valve (arrow) (two stacked images). Figs 129, 130. Pteroncola inane (SEM). Fig. 129. Frustule in girdle view (GU41D-1A). Fig. 130. Broken frustule showing internal and external valve faces, with the single row of internal pores (arrows) (Jordan collection, image by Misaki Ishizawa) (SEM). Figs. 131–138. Rhoiconeis pagoensis. Figs 131, 132. Same live cell in valve and girdle view showing plastids (GU7X-8) (DIC). Figs 133, 134. Holotype (valve view) and a girdle view from the same slide (GU7X-7) (DIC). Fig. 135. Frustule in valve view (GU7X-7) (SEM). Fig. 136. Frustule in girdle view; note the very short striae at the central area on the concave valve (GU7X-2) (SEM). Fig. 137. Detail of a pair of frustules showing difference in striae lengths at central area on convex and concave valves (GU7X-2) (SEM). Fig. 138. Apex of a frustule in girdle view showing the segmented valvocopula (S1 and S2) and two pleural bands (P1 and P2) (GU7X-5) (SEM). Scale bars: Fig. 136 = 10 µm, Figs 127–128, 131–135 = 5 µm, Figs 129, 130, 137, 138 = 2 µm.
Figures 107–113 in Benthic marine diatom flora of Guam: new records, redescription of Psammodictyon pustulatum n. comb., n. stat., and three new species (Colliculoamphora gabgabensis, Lauderia excentrica, and Rhoiconeis pagoensis)
Figures 107–113. Pogoneis bahrainii. (GU44I-4) (SEM, except Fig. 107 DIC). Fig 107. Frustules in valve and girdle views. Fig. 108. Frustule in girdle view. Fig 109. SV, external view. Fig. 110. Detail of central area of RV. Fig. 111. Detail of apex of RV, showing the thickened "prow." Fig. 112. RV, internal view showing silica plate bordering the raphe and extending into interstrial costae. Fig 113. RV, detail of internal view showing apex. Scale bars: 107 = 10 µm; 108–113 = 1 µm.
Figures 114–126. Figs 114–117. Protokeelia cholnokyi. Fig. 114 in Benthic marine diatom flora of Guam: new records, redescription of Psammodictyon pustulatum n. comb., n. stat., and three new species (Colliculoamphora gabgabensis, Lauderia excentrica, and Rhoiconeis pagoensis)
Figures 114–126. Figs 114–117. Protokeelia cholnokyi. Fig. 114. Valve in LM (GU44I-1) (DIC). Fig. 115. External view of valve (GU44J-2 / ECT3569), SEM; image courtesy of Elizabeth Ruck. Fig. 116. Internal view of valve (GU44Z-15) (SEM). Fig. 117. External, dorsal view of whole frustule showing girdle bands and dorsal faces of valves (SEM); courtesy of Elizabeth Ruck. Figs 118–126. Psammodictyon pustulatum. Figs 118, 119. Frustule at two focal planes (GU66F-7A) (DIC). Fig. 120. Valve from GU66A-3 (DIC). Fig. 121. Specimen from Nagasaki on Meister's slide 3509092. Fig. 122. Valve from Hustedt collection, slide W1/18, specimen from Vera Cruz, Mexico, image courtesy of Friedel Hinz. Fig. 123. External view of valve face (GU52Q-10a) (SEM). Fig. 124. Internal view of valve and part of the valvocopula. Arrows indicate where the valvocopula is broken. Inset shows full-resolution detail of valve margin and valvocopula, with the row of pores on the latter. Fig. 125. Frustule in oblique view showing the valves and girdle components. The ventral part of the valvocopula (vc) of the epivalve (ev) is visible at the front, and at the back the distal part of the valvocopula for the hypovalve (hv). Arrow indicates row of pores on the first pleura (p). Fig. 126. External detail of valve, showing the loculate character; arrow indicates row of pores on valvocopula. Scale bars: Figs 114–117, 123, 124 = 5 µm, Figs 118–122 = 10 µm, Figs 125, 126 = 2 µm.
Figures 98–106. Figs 98–105 in Benthic marine diatom flora of Guam: new records, redescription of Psammodictyon pustulatum n. comb., n. stat., and three new species (Colliculoamphora gabgabensis, Lauderia excentrica, and Rhoiconeis pagoensis)
Figures 98–106. Figs 98–105. Pinnunavis yarrensis (GU69A-1). Fig. 98. Live cell showing plastid lobes below the valve surface (DIC). Figs 99–101. Three valves of different sizes (DIC). Fig. 102. Detail of areolae and central area, external (SEM). Fig. 103. Detail of girdle view showing valvocopula with single row of pores (SEM). Fig. 104. Fragment of apex, broken along the raphe slit, showing helictoglossa and thickened interstriae (SEM). Fig. Detail of valvocopula showing fluted margin of the pars interior (SEM). Fig. 106. Plagiogramma atomus, external valve view (GU44L-E) (SEM). Scale bars: Fig 98–101 = 10 µm, Figs 102–106 = 5 µm.
Figures 87–97. Figs 87, 88 in Benthic marine diatom flora of Guam: new records, redescription of Psammodictyon pustulatum n. comb., n. stat., and three new species (Colliculoamphora gabgabensis, Lauderia excentrica, and Rhoiconeis pagoensis)
Figures 87–97. Figs 87, 88. Nitzschia janischii whole mount, details of central nodule and apex (GU44Z-15) (SEM). Figs 89–94. Nitzschia nienhuisii. Figs 89, 90. Girdle and valve views of the same cell in a wet mount (DIC). Figs 91, 92. Girdle and valve views of frustules in permanent mounts (GU44R-1, GU52P-1) (phase contrast). Figs 93, 94. Whole mount in SEM, and detail of central raphe endings (GU7R). Figs 95–97. Petroneis humerosa (GU44I-3). Fig. 95. Valve (DIC). Fig. 96. External view of valve (SEM). Fig. 97. Internal detail (SEM). Scale bars: Figs 87–93, 95, 96 = 10 µm, Fig. 94 = 2 µm, Fig. 97 = 5 µm.
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