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76 results for “early succession”
The relationship between early succession rates and soil properties in the Andrews Experimental Forest, 1999-2000
This study represents only one portion of a much larger study involving a wide range of disciplines and several H.J. Andrews Forest researchers. This dataset represents all the soils data collected up through the summer of 1999. In addition, Steve Acker conducted surveys of vegetation and measuring tree growth using cores. Mark Harmon has conducted a survey of coarse woody debris. Future studies could include hydrology and species diversity. When we compared the soil characteristics between slow and expected recovery sites, the only variables showing significant differences were soil moisture, litter depth and substrate induced respiration (SIR) rates at low glucose concentrations. The litter depth was slightly less, soil moisture lower, and SIR rates higher in the slow sites. When we compared soils in adjacent uncut forests, we found that field respiration rates were lower in forests adjacent to slow recovery sites than to normal sites suggesting that these sites may have inherently lower productivities. We concluded that slow recovery after clear-cutting is most likely related to physical site characteristics; i.e. steepness of slope and aspect. There did not appear to be any difference in soil depth.
Soil C, N, P, and Frankia nifD-K RFLP genotypes distribution from Alnus tenuifolia nodules in early and late succession 2005
This dataset contains genetic characterizations of Frankia inhabiting Alnus tenuifolia nodules in early and late succession sites in the Bonanza Creek Experimental Forest (BCEF). Characterizations were done using PCR-RFLP on the nifD-K spacer region of the Frankia genome. The position of each plant and each nodule were mapped in order to examine spatial patterns in Frankia distribution within sites. Soil chemistry data, including C, N, P, and pH, were also collected from mineral and organic layers.
Text-fig. 10. Langtonia bisulcata REID et CHANDLER. a, b, e–g: Holotype, V. 22984, from micro-CT data. a: Dorsiventral view surface rendering. b: Dorsiventral view translucent volume rendering showing outline of locule cast. c: Equatorial transverse fracture showing paired dorsal infolds and locules with shape of a ε in cross section, reflected light, V. 22993. d: Digital transverse section from micro-CT data, of fruit with two well developed ε-shaped locules, V. 22985. e–g: Successive digital transverse sections with one well developed ε-shaped locule and infolds of the abortive locule visible in (g) (arrows). h–j: Physical transverse thin sections of specimen from middle Eocene Clarno Formation, Oregon, USA with well-preserved mesocarp including longitudinal canals in (j) (arrows), USNM 424875; Scale bars 0.5 cm in (a, b), 2.5 mm in (c–g), 5 mm in (h), 2 mm in (i), 1 mm in (j); (a, b) share same scale bar; (c, d) share same scale bar; (e, f, g) share same scale bar. in Mastixioid Fruits (Cornales) From The Early Eocene London Clay Flora: Morphology, Anatomy And Nomenclatural Revision
Text-fig. 10. Langtonia bisulcata REID et CHANDLER. a, b, e–g: Holotype, V. 22984, from micro-CT data. a: Dorsiventral view surface rendering. b: Dorsiventral view translucent volume rendering showing outline of locule cast. c: Equatorial transverse fracture showing paired dorsal infolds and locules with shape of a ε in cross section, reflected light, V. 22993. d: Digital transverse section from micro-CT data, of fruit with two well developed ε-shaped locules, V. 22985. e–g: Successive digital transverse sections with one well developed ε-shaped locule and infolds of the abortive locule visible in (g) (arrows). h–j: Physical transverse thin sections of specimen from middle Eocene Clarno Formation, Oregon, USA with well-preserved mesocarp including longitudinal canals in (j) (arrows), USNM 424875; Scale bars 0.5 cm in (a, b), 2.5 mm in (c–g), 5 mm in (h), 2 mm in (i), 1 mm in (j); (a, b) share same scale bar; (c, d) share same scale bar; (e, f, g) share same scale bar.
Text-fig. 8. Lanfrancia subglobosa E.REID et M.CHANDLER. a–c, e–g: Holotype V. 23014. a: reflected light. b, c: Surface renderings from micro-CT data. a, b: Lateral views with dorsal surface of locule facing forward and locule casts protruding in upper part. c: Apical view. d: Fruit showing two locule casts the dorsal surfaces of which face to the left and the right, V. 30417(1). e–g: Successive digital transverse sections showing four u to v to c-shaped locules from micro-CT data. h: Physical transverse section of specimen in (d). i–k: Physical transverse section, V. 30419 from Herne Bay, blue lines in K indicating limits of fibre layer lining the locule. l: Detail from (h), showing sclerenchyma composing the septa and central axis. m: Transverse section, enlargement from (i), showing anatomy of tissues adjacent to the dorsal infold. Blue lines indicate limits of the fibre layer lining the locule. n: Part of (m) recut, tangential section transecting the dorsal infold (central), both limbs of the locule cast, and peripheral parts of the pericarp on either side. o: Detail from (n), showing anatomy of the infold. Scale bars 5 mm in (a–h) (a–g share the same bar), 3 mm in (i), 1 mm in (j–m), 0.5 mm in (n), 0.2 mm in (o). in Mastixioid Fruits (Cornales) From The Early Eocene London Clay Flora: Morphology, Anatomy And Nomenclatural Revision
Text-fig. 8. Lanfrancia subglobosa E.REID et M.CHANDLER. a–c, e–g: Holotype V. 23014. a: reflected light. b, c: Surface renderings from micro-CT data. a, b: Lateral views with dorsal surface of locule facing forward and locule casts protruding in upper part. c: Apical view. d: Fruit showing two locule casts the dorsal surfaces of which face to the left and the right, V. 30417(1). e–g: Successive digital transverse sections showing four u to v to c-shaped locules from micro-CT data. h: Physical transverse section of specimen in (d). i–k: Physical transverse section, V. 30419 from Herne Bay, blue lines in K indicating limits of fibre layer lining the locule. l: Detail from (h), showing sclerenchyma composing the septa and central axis. m: Transverse section, enlargement from (i), showing anatomy of tissues adjacent to the dorsal infold. Blue lines indicate limits of the fibre layer lining the locule. n: Part of (m) recut, tangential section transecting the dorsal infold (central), both limbs of the locule cast, and peripheral parts of the pericarp on either side. o: Detail from (n), showing anatomy of the infold. Scale bars 5 mm in (a–h) (a–g share the same bar), 3 mm in (i), 1 mm in (j–m), 0.5 mm in (n), 0.2 mm in (o).
Text-fig. 2. Tectocarya spp. a–n: Tectocarya grandis (E.REID et M.CHANDLER) comb. n. Holotype V.22968. a: Lateral view of broken endocarp, reflected light. b–d: Longitudinal views, surface renderings from micro-CT data. e: Translucent volume renderings. f: Apical view, surface rendering. g: View of transversely broken surface showing curved locule, reflected light. h–n: Successive digital transverse sections. Note septum in the dorsal infold (arrows). o, p: Tectocarya rhenana KIRCHH., Miocene of Germany, dorsal view and transverse section [Holotype of Mastixoidea tectocaryoides KIRCHH., Alfred Mine near Konzendorf, photo by Dieter Mai] (Synonym of T. rhenana MAI, 1993). q: T. rhenana transverse section. from Mine Alfred, Düren, Germany, coll. Claire A. Brown 1952, USNM 355632. r, s: Tectocarya sp. from late Eocene of Post, Oregon, USA, physical transverse section, reflected light. UF279-50014. [Surface views of same specimen shown in Manchester and McIntosh 2007: figs 62, 63]. Scale bars 1 cm in (a–r), 0.5 cm in (s). in Mastixioid Fruits (Cornales) From The Early Eocene London Clay Flora: Morphology, Anatomy And Nomenclatural Revision
Text-fig. 2. Tectocarya spp. a–n: Tectocarya grandis (E.REID et M.CHANDLER) comb. n. Holotype V.22968. a: Lateral view of broken endocarp, reflected light. b–d: Longitudinal views, surface renderings from micro-CT data. e: Translucent volume renderings. f: Apical view, surface rendering. g: View of transversely broken surface showing curved locule, reflected light. h–n: Successive digital transverse sections. Note septum in the dorsal infold (arrows). o, p: Tectocarya rhenana KIRCHH., Miocene of Germany, dorsal view and transverse section [Holotype of Mastixoidea tectocaryoides KIRCHH., Alfred Mine near Konzendorf, photo by Dieter Mai] (Synonym of T. rhenana MAI, 1993). q: T. rhenana transverse section. from Mine Alfred, Düren, Germany, coll. Claire A. Brown 1952, USNM 355632. r, s: Tectocarya sp. from late Eocene of Post, Oregon, USA, physical transverse section, reflected light. UF279-50014. [Surface views of same specimen shown in Manchester and McIntosh 2007: figs 62, 63]. Scale bars 1 cm in (a–r), 0.5 cm in (s).
Fig. 5 in Crinoid and ostracod succession within the Early-Middle Frasnian interval in the Wietrznia quarry, Holy Cross Mountains, Poland
Fig. 5. Stratigraphic distribution of the Lower–Middle Frasnian crinoid species in the Wietrznia Ie section, Holy Cross Mountains. Lithology, stratigraphy and stable carbon isotope geochemistry modified from Pisarzowska et al. (2006). Abbreviation: SML, Śluchowice Marly Level.
Fig. 1. A in Crinoid and ostracod succession within the Early-Middle Frasnian interval in the Wietrznia quarry, Holy Cross Mountains, Poland
Fig. 1. A. Geological map of western part of the Holy Cross Mountains and location of study site (simplified from Marynowski et al. 2000). B. Sketch map of Wietrznia quarries and location of the studied sections (modified from Makowski 1993).
Fig. 2 in Crinoid and ostracod succession within the Early-Middle Frasnian interval in the Wietrznia quarry, Holy Cross Mountains, Poland
Fig. 2. Early Frasnian (Palmatolepis transitans Zone) ostracods from the Wietrznia Id−W section, Holy Cross Mountains. A. Hollinella sp., ZPAL O.57/1, sample Id−W−29, in left valve in lateral view. B. Amphissites sp. aff. A. parvulus (Paeckelmann, 1913), ZPAL O.57/2, sample Id−W−9, right valve in lateral view. C. Palaeocopida indet., ZPAL O.57/3, sample Id−W−39, left valve in lateral view. D. Uchtovia sp., ZPAL O.57/4, sample Id−W−31, carapace in left lateral view. E. Paraparchitidae? sp. indet., ZPAL O.57/5, sample Id−W−31, carapace in right lateral view. F. Micronewsomites sp., ZPAL O.57/6, sample Id−W−9, carapace in right lateral view. G. Microcheilinella sp. A., ZPAL O.57/7, sample Id−W−17, carapace in right lateral (G1) and dorsal (G2) views. H. Microcheilinella sp. B, ZPAL O.57/8, sample Id−W−39, carapace in right lateral (H1) and dorsal (H2) views. I. Bairdiocypris sp. A, ZPAL O.57/9, sample Id−W−31, carapace in right lateral view. J. Bairdiocypris sp. B, ZPAL O.57/10, sample Id−W−31, carapace in right lateral view. K. Bairdiocypris sp. C, ZPAL O.57/11, sample Id−W−31, carapace in right lateral view. L. Healdianella cf. alba Lethiers, 1981, ZPAL O.57/12, sample Id−W−17, carapace in right lateral view. M. Cytherellina? sp., ZPAL O.57/13, sample Id−W−31, carapace in right lateral view. N. Bairdiacypris sp. A, ZPAL O.57/14, sample Id−W−9, carapace in right lateral view. O, P. Bairdia (Rectobairdia) sp. nov. A. O. ZPAL O. 57/15, sample Id−W−31, carapace in right lateral (O1) and dorsal (O2) views. +
Fig. 5 in Gastropod succession across the Early-Middle Frasnian transition in the Holy Cross Mountains, southern Poland
Fig. 5. Early Frasnian Trochoidea (Vetigastropoda) from the Holy Cross Mountains. A–C. Heidelbergeria czarnieckii gen. et sp. nov. A. A. ZPAL Ga−VI/29, Kadzielnia (set A), apertural (A1), lateral (A2), apical (A3) views, and apical view of protoconch (A4) of the holotype. B, C. Jaźwica quarry (set J). B. GIUS 4−1109 Jaź−4, apertural (B1), lateral (B2), apical (B3) views, and apical view of protoconch (B4). C. GIUS 4−1146 Jaź−41, apertural view. D, E. Roemeriella octocincta (Roemer, 1843), Jaźwica quarry (set J). D. GIUS 4−1130 Jaź−25, apertural (D1) and lateral (D2) views. E. GIUS 4−1129 Jaź−24, lateral view. F–L. Kowalatrochus sanctacrucensis Krawczyński, 2002. F. GIUS 4−1569 Ko−81, apertural (F1) and lateral (F2) views of holotype. G–I, L. GIUS 4−1219 Ko−6 (G), GIUS 4−1226 Ko−13 (H), GIUS 4−1614 Jaź−96 (I), and ZPAL Ga−VI/58 (L), lateral views. J. ZPAL Ga−VI/59, apertural (J1) and lateral (J2) views. K. GIUS 4−1223 Ko−10, apertural view. F–H, J–L. Kowala quarry (set A). I. Jaźwica quarry (set I).
Fig. 2 in Gastropod succession across the Early-Middle Frasnian transition in the Holy Cross Mountains, southern Poland
Fig. 2. Studied Devonian sections, with subdivision on sets (letters mean sets with gastropods) against stratigraphic−facies cross−section of the Late Givetian and Frasnian strata of the Holy Cross Mountains (after Racki 1993b, modified) as well as bioevents of Frasnian gastropod fauna study; n, number of taxa; BS, biotic stagnation; El, extraregional immigration; En, endemics; Ex, extinction; LII, limited intraregional imigration; as., association; am., assemblage (see Racki 1993a, b). Regional depositional cycles after Racki (1993b); global events after House (2002).
Fig. 4 in Crinoid and ostracod succession within the Early-Middle Frasnian interval in the Wietrznia quarry, Holy Cross Mountains, Poland
Fig. 4. Stratigraphic distribution of the Early Frasnian ostracod species in the Wietrznia Id−W section, Holy Cross Mountains. Lithology, stratigraphy and stable carbon isotope geochemistry modified from Pisarzowska et al. (2006). Abbreviations: LWB, lower Wietrznia Beds; SML, Śluchowice Marly Level.
Fig. 1. A in Gastropod succession across the Early-Middle Frasnian transition in the Holy Cross Mountains, southern Poland
Fig. 1. A. Location of Holy Cross Mountains and palaeogeographic framework of the Devonian in Poland (modified after Racki 1993b: fig. 1). B. Locations of studied geological sections in the western part of the Holy Cross Mountains with division on palaeogeographical units (modified from Szulczewski 1971 and Racki 1993b). Abbreviation: Ch−Z, Chęciny−Zbrza subregion.
Fig. 6. Early Frasnian Neritopsoidea and Loxonematoidea from the Holy Cross Mountains. A–K in Gastropod succession across the Early-Middle Frasnian transition in the Holy Cross Mountains, southern Poland
Fig. 6. Early Frasnian Neritopsoidea and Loxonematoidea from the Holy Cross Mountains. A–K. Naticopsis inflata (Roemer, 1843). A. ZPAL Ga−VI/30, Kadzielnia (set A), apertural view of shell with well preserved ornamentation. B, C. GIUS 4−1238 Ko−25 (B) and GIUS 4−1230 Ko−17 (C), Kowala quarry (set A), apertural views of shells. D–F, H–J. GIUS 4−1148 Jaź−43 (D), GIUS 4−1145 Jaź−40 (E), GIUS 4−1623 Jaź−105 (F), GIUS 4−1648 Jaź−130 (H), GIUS 4−1631 Jaź−113 (I), and GIUS 4−1640 Jaź−122 (J), Jaźwica quarry (set J), lateral views of shells. G, K. GIUS 4−1636 Jaź−118 (G) and GIUS 4−1630 Jaź−112 (K), Jaźwica quarry (set J), apical views of shells. L, M. Grabinopsis guerichi association: g, Grabinopsis guerichi Krawczyński, 2002; r, Roemeriella octocincta (Roemer, 1843); n, Natocopsis inflata (Roemer, 1843); lx,?loxonematoid indet. L. GIUS 4−1645 Jaź−127, Jaźwica (set J), weathered surface with gastropods (L1) and increased surface fragment with unrecognized?loxonematoid shells (L2). M. GIUS 4−2388 Wt−1, Wietrznia (set B), well preserved gastropod shells on weathered surface. N. Spanionema scalaroides (Whidborne, 1889), GIUS 4−1193 Kd−1 Kadzielnia (set A), lateral view of shell. O–Q. Palaeozygopleura (Rhenozyga) sp. O, P. Jaźwica quarry (set J). O. GIUS 4−1634 Jaź−116, apertural view of shell. P. GIUS 4−1837 Jaź−208, lateral view of shell. Q. GIUS 4−1348 Ko−70/22, Kowala quarry (set A), apertural view of shell fragment. R–S. Palaeozygopleura (Bohemozyga) pyritica Krawczyński, 2006 in Jagt−Yazykova et al. 2006. R. GIUS 4−1627 Jaź−109, Jaźwica quarry (set J), apical view of shell. S. GIUS 4−2284 Kos−14, Kostomłoty II (Małe Górki) quarry (set B3), lateral view of pyritised holotype shell. T. Naticopsis protogaea (Goldfuss, 1844), GIUS 4−1353 Ko−75, Kowala quarry (set A), lateral view of shell. U, V. Naticopsis aff. kayseri Holzapfel, 1895, GIUS 4−2288 Kos−18 (U) and GIUS 4−1164 Kos−2 (V), Kostomłoty II (Małe Górki) quarry (set B3), apertural views of pyritised shells.
Fig. 4 in Gastropod succession across the Early-Middle Frasnian transition in the Holy Cross Mountains, southern Poland
Fig. 4. Early Frasnian Eotomarioidea and Porcellioidea (Vetigastropoda) from the Holy Cross Mountains. A–C. Frydiella kaimi gen. et sp. nov., Jaźwica quarry (set J). A. Holotype, GIUS 4−1136 Jaź−31, lateral view. B. GIUS 4−1137 Jaź−32, apertural (B1), lateral (B2), and basal (B3) views of shell. C. GIUS 4−1135 Jaź−30, fragment of last whorl with well preserved ornamentation. D, E. Lahnospira taeniata (Goldfuss, 1844), Kostomłoty II (Małe Górki) quarry (set B3). D. GIUS 4−2282 Kos−12, apertural view of pyritised shell. E. GIUS 4−2277 Kos−7, lateral view of pyritised shell. F–H. Euryzone delphinuloides (Schlotheim, 1820). F, G. GIUS 4−1237 Ko−24 (F) and GIUS 4−1239 Ko−26 (G), Kowala quarry (set A), lateral views of shells. H. GIUS 4−1637 Jaź−119, Jaźwica quarry (set J), apical (H1) and lateral (H2) views of shell. I–K. Porcellia bifida (Sandberger and Sandberger, 1856), Jaźwica quarry (set J). I, J. GIUS 4−1629 Jaź−111 (I) and GIUS 4−1628 Jaź−110 (J), apical views of shells. K. GIUS 4−1140 Jaź−35, apical (K1) and lateral (K2) views of shell. L, M. Euryzone kielcensis (Gürich, 1896). L. GIUS 4−1467 Kd−3, Kadzielnia (set A), lateral views of neotype shell. M. GIUS 4−1134 Jaź−29, Jaźwica quarry (set J), lateral view of juvenile shell.
Fig. 3 in Crinoid and ostracod succession within the Early-Middle Frasnian interval in the Wietrznia quarry, Holy Cross Mountains, Poland
Fig. 3. Early–Middle Frasnian crinoids from the Wietrznia Ie section, Holy Cross Mountains. A, B. Platycrinites sp. A. GIUS−4−404/2, sample Ie−66, articular facet with very weakly developed fulcrum. B. GIUS−4−404/3, sample Ie−66, articular facet with marginal culmina. C, D. Haplocrinites sp. C. GIUS−4−404/5, sample Ie−48, theca from A−ray side. D. GIUS−4−404/6, sample Ie−48, theca from E−ray side. E. Cupressocrinites sp., GIUS−4−404/8, sample Ie−19. F. Floricrinus sp., GIUS−4−404/6, sample Ie−66. G. Anthinocrinus wenjukowi Yeltyschewa in Yeltyschewa and Stukalina, 1977, GIUS−4−404/15, sample Ie−34. H. Marettocrinus kartzevae (Yeltyschewa and Dubatolova in Dubatolova and Yeltyschewa, 1961), GIUS−4−404/10, sample Ie−19. I. Laudonomphalus humilicarinatus (Yeltyschewa in Dubatolova and Yeltyschewa, 1961), GIUS−4−404/7, sample Ie−19. J. Kstutocrinus sp., GIUS−4−404//13, sample Ie−66. K. Schyschcatocrinus multiformis Głuchowski, 1993, GIUS−4−404/16, sample Ie−19. L. Schyschcatocrinus delicatus Głuchowski, 1993, GIUS−4−404/14, +
Data for: Early life conditions influence fledging success and subsequent local recruitment rates in a declining migratory songbird, the Whinchat Saxicola rubetra
<ol> <li>Life history traits and environmental conditions influence reproductive success in animals, and consequences of these can influence subsequent survival and recruitment into breeding populations. Understanding influences on demographic rates is required to determine the causes of decline. Migratory species experience spatially and temporally variable conditions across their annual cycle, making identifying where the factors influencing demographic rates operate challenging.</li> <li>Here, we use the Whinchat <em>Saxicola</em> <em>rubetra</em> as a model declining long-distance migrant bird. We analyse 10 years of data from 247 nesting attempts and 2519 post-fledging observations of 1193 uniquely marked nestlings to examine the influence of life history traits, habitat characteristics and weather on survival of young from the nestling stage to local recruitment into the natal population.</li> <li>We detected potential silver spoon effects where conditions during the breeding stage influence subsequent apparent local recruitment rates, with higher recruitment for fledglings from larger broods, and recruitment rate negatively related to rainfall that chicks experienced in-nest. Additionally, extreme temperatures experienced pre- and post-fledging increased fledging success and recruitment rate. However, we could not determine whether this was driven by temperature influencing mortality during the post-fledging period or later in the annual cycle.</li> <li>Brood size declined with hatching date. In-nest survival increased with brood size and was highest at local temperature extremes. Furthermore, nest survival was highest at nests surrounded with 40–60% vegetation cover of Bracken <em>Pteridium</em> <em>aquilinum</em> within 50m of the nest.</li> <li>Our results show that breeding phenology and environmental factors may influence fledging success and recruitment in songbird populations, with conditions experienced during the nestling stage influencing local recruitment rates in Whinchats (i.e. silver spoon effect). Recruitment rates are key drivers of songbird population dynamics. Our results help identify some of the likely breeding season mechanisms that could be important population drivers.</li> </ol>
Data from: Early life microbial succession in the gut follows common patterns in humans across the globe
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Data for: Early life conditions influence fledging success and subsequent local recruitment rates in a declining migratory songbird, the Whinchat Saxicola rubetra
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Data from: Abiotic legacies mediate plant-soil feedback during early vegetation succession on rare earth element mine tailings
<p>An increasing number of studies have shown how feedback interactions between plants and soil can influence primary and secondary succession. However, very little is known about the patterns and mechanisms of such plant-soil feedbacks on stressed mine tailings ecosystem, which can be severely contaminated by a range of toxic elements. </p> <p>In a two-phase plant-soil feedback experiment based on the rare earth element (REE) mine tailing soil, we investigated biotic (changes in bacterial and fungal community) and abiotic legacies (changes in chemical properties) of three pioneer grass species, and examined feedback effects of three grasses, two legumes and two woody plants with different root traits.</p> <p>Positive plant-soil feedback was found in Miscanthus sinensis, Paspalum thunbergii and Tephrosia candida, and neutral feedback was observed in other four plants. These effects corresponded with an increase of nutrients and total organic carbon, as well as a decrease of acidity and extractable aluminum and REEs. There were less signs of biotic changes in the conditioned tailings. </p> <p>The correlation analysis suggested a relationship between responses to soil legacies and root traits, as well as root economics spectrum. On the mine tailings, acquisitive species with higher specific root length appeared to have greater potential for positive feedback. </p> <p>Synthesis and application: Our study shows that early succession on contaminated REE mine tailings may lead to more positive plant-soil feedback than predicted based on results of non-contaminated soils, mainly due to the alleviation of abiotic stress in tailings. Therefore, the improvement of specific abiotic soil stress and the trait-based selection of acquisitive plants should be preferentially considered to promote the primary restoration of degraded land.</p>
Data from: Early diversification dynamics in a highly successful insular plant taxon are consistent with the general dynamic model of oceanic island biogeography
<p>The general dynamic model (GDM) of oceanic island biogeography views oceanic islands predominantly as sinks rather than sources of dispersing lineages. To test this, we conducted a biogeographic analysis of a highly successful insular plant taxon, <em>Cyrtandra </em>and inferred directionality of dispersal and founder events throughout the four biogeographical units of the Indo-Australian Archipelago (IAA), namely Sunda, Wallacea, Philippines, and Sahul. Sunda was recovered as the major source area, followed by Wallacea, a system of oceanic islands. The relatively high number of events originating from Wallacea is attributed to its central location in the IAA and its complex geological history selecting for increased dispersibility. We also tested if diversification dynamics in <em>Cyrtandra </em>follow predictions of adaptive radiation, which is the dominant process as per the GDM. Diversification dynamics of dispersing lineages of <em>Cyrtandra</em> in the Southeast Asian grade showed early bursts followed by a plateau, which is consistent with adaptive radiation. We did not detect signals of diversity-dependent diversification, and this is attributed to Southeast Asian cyrtandras<em> </em>occupying various niche spaces, evident by their wide morphological range in habit and floral characters. The Pacific clade, which arrived at the immaturity phase of the Pacific Islands, showed diversification dynamics predicted by the Island Immaturity Speciation Pulse (IISP) model, wherein rates increase exponentially, and their morphological range is controlled by the least action effect favoring woodiness and fleshy fruits. Our study provides a first step toward a framework for investigating diversification dynamics as predicted by the GDM in highly successful insular taxa.</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
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The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
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