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1. SUCESIÓN VEGETAL EN BORDES DE BOSQUES DE PINABETE (Abies guatemalensis Rehder) DEL OCCIDENTE DE GUATEMALA

Author

José Vicente Martínez Arévalo

Subjects
abies guatemalensis rehder, autosucesión, dinámica vegetal, disclímax, índice de diversidad, sucesión ecológica, Forestry, SD1-669.5, Environmental technology. Sanitary engineering, TD1-1066
Abstract

Se estudió la sucesión vegetal circundante en parches de bosque de Abies guatemalensis en el occidente de Guatemala con el objetivo de reconocer las características de este proceso y su posible aplicación en restauración ecológica. El área de estudio se conformó por diez localidades que representaran cinco estadios distintos para analizarlos durante tres épocas del año. Los resultados arrojaron que conviven 85 especies de flora montana; el índice de diversidad alfa de Shannon (entropía) fue estadísticamente similar en todas las zonas y el índice de diversidad beta de Dice se consideró de mediano a bajo (0.7 a 0.95); el valor de importancia de Cottam indicó que hay codominancia de los taxa, ya que la mayoría presentó valores pequeños; la dinámica de la vegetación fue similar en todos los sitios y mostró patrones diferentes a los consignados en investigaciones realizadas en zonas agrícolas abandonadas. Se concluye que las condiciones ambientales y el régimen de disturbio imprimen propiedades especiales en la sucesión biológica y se observó un claro proceso de autosucesión, que se pudo explicar mejor en el espacio que en el tiempo y se constituyó por un mosaico de estadios alrededor de los núcleos de bosque de pinabete, de manera que la afectación del sitio (pastoreo de ovejas) provocó un disclímax, en cual cada fase es un estado semiestable que requiere fuerzas exógenas (como la intervención con fines de restauración ecológica) para cambiar a un estado superior.

Published
2018
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2. Illustrated glossary of terms used in foraminiferal research

Author

Lukas Hottinger and Carnets Geol.,

Subjects
biformed, autogamy, canaliculate, Stratigraphy, processes, lectotype, chirality, glomerulus, 3d model, bulla, residual, spinose, teratological, neanic, enveloping, biserial, oral, parachomata, pseudopodia, apex, tongue, Golgi, meiosis, polarity, limbate, tooth, stellate, suture, gutter, unilocular, ridge, ridges, endoskeleton, ornamentation, homologous, supplementary, pirotheca, hamulus, plane, endemic, adauxiliary, pile, notch, reticulopodia, neotype, openings, topotype, pycnotheca, system, hemiseptula, monothalamous, pattern, equatorial, sutural, columella, uniserial, plug, megalospheric, cyst, shaft, pseudochamber, side, chessboard, hierarchy of terms, salients, cell, generotype, areal, pioneering, plates, speciation, costate, funnel, tubulospines, vacuolar, fissure, areolate, respiration, Autogamy, endoplasm, rim, pavement, filling, cavity, hole, schizont, pectination, microspheric, flabelliform, ventral, marginal, hypodermis, requirements, foramen, scrobis, flange, list, odd, whorl, pseudumbilicus, rhizopodia, acute, subembryonic, acervuline, convolute, symbiosis, toothplate, symbiont, haploid, protheca, polythalamous, cytoplasm, epitheca, community, orbitolinid, monolamellar, float-chamber, sphaeroconch, growth, supraembryonic, reduction, lobe, bilocular, holotype, pigeon, lcsh:Stratigraphy, surface, polar, structure, filaments, proxima, asexual, hypodigm, spirals, annulus, plate, layer, umbo, phenetic, progenitor, synonym, compartment, granule, antetheca, biology.organism_classification, cancellate, gerontic, sympatric, dendritic, passage, pylome, sealing, deuteroloculus, syntypes, coalescence, involute, orbitolitid, pits, Foraminifera, shape, joist, chevron, aboral, biconcave, protoconch, pseudokeriotheca, gametogamy, congeneric, triserial, auxiliary, proloculus, tunnel, membrane, costellae, agamont, counterseptum, micropaleontology, sieve, ponticulus, Geology, Ornaments, septulum, global, labyrinthic, triconch, rectilinear, light, perforate, ring, retral, index, zygote, pillar, coenocline, husbandry, tube, tubercle, intraumbilical, interpore, aperture, sipho, stolon, chamberlet, extraumbilical-umbilical, intern, retrovert, cupule, buccal, epiphyte, coil, dimorphism, planispiral, papilla, face, striae, chamber, allopatric, paratypes, intraseptal, spine-base, ultimate, regeneration, gamontogamy, reticular, comparative anatomy, knob, pore-pit, polyvalent, entosolenian, acuminate, advolute, interlocular, adapertural, apogamy, median, main, incisional, loculus, trough, accessory, periapertural, terminal, plastogamic, flagellum, sarcode, pseudospinose, foraminifer, attics, spiroconvex, alar, murus, wall, orbitoid, cuneate, lcsh:QE640-699, periembryonic, eucaryote, arborescent, body, pseudorbitoid, phrenotheca, transverse, proximal, host, lamelliform, coiling, exocytosis, secondary, actin, feeding, radius, valvular, reniform, hemiseptular, organic, subsidiary, abaxial, imperforate, spiroloculine, inflational, interseptum, rafter, blades, primary, intradermal, penultimate, distal, photoinhibition, cycle, maturation, biconvex, exoskeleton, Paleontology, extraumbilical, spike, acceleration, sigmoid, flexostyle, sinistral, trochoid, lcsh:Geology, arrangement, lcsh:Paleontology, adventitious, cotype, striate, cuniculus, mosaic, polygonal, evolute, metabolism, sheets, protoforamen, maturo-evolute, choma, species, buttress, furrow, type, nucleoconch, oblique, lip, lobes, nepionic, folium, interlamellar, adaxial, outer, foveolate, bipartitor, lamination, mitochondrion, nonlamellar, cover, deuteroconch, lcsh:QE701-760, selliform, lamella, diaphanotheca, apertures, fistulose, tectorium, cohort, textures, cone, succession, umbilicus, protoplasm, closing, depression, sulcus, euphotic, tectum, interradius, interseptal, annular, pilintradermal, trimorphism, calyx, prolongation, epiderm, spine, keel, parafossette, meandrine, septal, chloroplast, vestibule, basement, agglutinated, peripheral, floor, bilateral, venter, pore-chimney, generations, pore-fields, pustule, latero-marginal, climax, homonym, punctate, cameral, equitant, pseudospine, distinctly, vortex, fluting, A-form, microsphere, boss, cruciform, plectogyral, arenaceous, flap, pillars, trabecules, brood, Glossary, beading, synonymy, juvenarium, spiral, diploid, trochospiral, dorsal, hispid, chomatal, husband, lumen, textural, division, canalicular, perforation, balloon, intraseptular, parakeriotheca, ornaments, biconch, apparatus, blueprinting, biology, interauxiliary, cuneiform, lamellar, biloculine, intrathalamou, partition, gamont, multiple, disposition, test-structure, pairs, reflectus, [SDU.STU.PG] Sciences of the Universe [physics]/Earth Sciences/Paleontology, section, clavate, plastogamy, life, test-composition, septular, carina, cyclical, cycles, jagged-granular, subepidermal, contrefort, isodiscodine, orbitoidal, test-architecture, canal, pore-funnel, mitosis, supplemental, photosynthesis, costae, serial, syntype, fusiform, interiomarginal, lining, nepiont, space, egg-holder, alveole, microstria, mask, network, glossary, maerl, preseptal, biumbonate, vicarious, four-stolon, organelle, proximus, orifice, porcelaneous, pore-plate, Microsphere, partner, trematophore, groove, labial, skeleton, parapores, crest, Protheca, plastid, paries, cribrate, reversed, bilamellar, axial, fossette, chamberlets, equator, acicular, style, sagittal, alveolar, alternating, murica, ectoplasm, individuals, associations, complex, architecture, retroparies, sheet, apical, embryo, instar, embryonic, progressive, infundibulum, radial, conspecific, alternation, milioline, trichome, vertical, test, inframarginal, tuberculate, pseudopore, orbitopsellid, megalosphere, attachment, Cuneiform, teeth, sessile, incrusting, lamellation, area, triloculine, pseudoplanktic, plesiotype, extrathalamous, neck, indistinctly, canals, granular, loop-hole, pyrenoid, flosculinisation, embryon, bifid, expanse-chamber, systems, cyclopsinellid, quinqueloculine, pore, texture, corona, biumbilicate, shoulder, umbilicoconvex, keriotheca, lateral, umbilical, pole, elongation, microtubule, envelope, thylacoid, astral, streptospiral, circumproloculus, axis, basal, apogamous, partitional, sigmoiline, cosmopolitan, spicular, interio-areal, agamogony, radiate, umbilicate, lcsh:QE1-996.5, cord, septalis, torsion, stratophenetics, intercameral, apertural, bead, phototropy, protopore, foliar, beam, dextral, tubulopor, marginoporid, zone, feathered, analogous, ephebic, inner, sere, peristome, saddle, pores, six-stolon, B-form, crystalline, epiembryonic, ramp, cubiculum, stellar, chambers, disclimax, Information retrieval, spiral-umbilical, anterior, template, veneer, extern, gamogony, bowl, microgranula, septum, reticulate, tubulin, fore-court, central, foramenal, pillar-pore, phialine, socculus
Abstract

An illustrated glossary of terms used in the analysis of the shells of recent and fossil foraminifera supplemented by a rigorous selection of terms that facilitate an understanding of their biology and their use in ecology and biostratigraphy. The glossary includes some 650 entries illustrated by 83 - often composite – figures many of which are stereographs or 3D models. A taxonomic index lists the 140 taxa illustrated.

Published
2006

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