標(biāo)題: Titlebook: Geobotany; Robert C. Romans Book 1977 Springer Science+Business Media New York 1977 Bryophyta.Polle.agriculture.algae.biological.biology.b [打印本頁] 作者: HEMI 時(shí)間: 2025-3-21 17:18
書目名稱Geobotany影響因子(影響力)
書目名稱Geobotany影響因子(影響力)學(xué)科排名
書目名稱Geobotany網(wǎng)絡(luò)公開度
書目名稱Geobotany網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Geobotany被引頻次
書目名稱Geobotany被引頻次學(xué)科排名
書目名稱Geobotany年度引用
書目名稱Geobotany年度引用學(xué)科排名
書目名稱Geobotany讀者反饋
書目名稱Geobotany讀者反饋學(xué)科排名
作者: Entropion 時(shí)間: 2025-3-21 21:36
Limiting Factors in Paleoenvironmental Reconstruction,ediment, is better than anything yet done with it. Distributional problems include differential pollen production, dispersal, sedimentation, and preservation. Changes in dominant air mass patterns, whether seasonal or in response to climatic trends, alter source pollen frequency independently of veg作者: 小卷發(fā) 時(shí)間: 2025-3-22 01:54
Taxonomic and Stratigraphic Significance of the Dispersed Spore Genus ,,rsed spore genera ., or . at different stages in spore ontogeny. Spores from some cones referable to the plant . have ontogenetic stages resembling . and . indicating that these two dispersed spore genera were produced by more than one type of plant. To date, features used to delimit species of disp作者: MARS 時(shí)間: 2025-3-22 08:07 作者: 博識(shí) 時(shí)間: 2025-3-22 09:07 作者: VEST 時(shí)間: 2025-3-22 13:44
A Geobotanical Overview of the Bryophyta,stributional phenomena. Incomplete evidence indicates: 1) mosses are offshoots of early rhyniophyte and zosterophyllophyte stock; 2) Sphagnales were set off well before the end of the Permian; 3) Bryales, in the broadest sense, were diverse and widely distributed by Permian time in mesic to wet, tem作者: VEST 時(shí)間: 2025-3-22 17:07 作者: Anal-Canal 時(shí)間: 2025-3-22 22:05 作者: garrulous 時(shí)間: 2025-3-23 02:37
Paleobotanical and Geological Interpretations of Paleoenvironments of the Eastern Interior Basin,ermined on paleobotanical grounds be correlated with those based upon geological considerations. A variety of paleoenvironments are preserved in and around the Eastern Interior Basin, providing opportunities for gathering both geologic and paleobotanical data.作者: 身體萌芽 時(shí)間: 2025-3-23 08:27
Preliminary Investigation of Two Late Triassic Conifers from York County, Pennsylvania,n, USA. Two types of leaf-bearing branch systems are assigned to . (Emmons) nov. comb. and . Ash. Seed cones that I assign to . nov. sp.1 and cf. .. nov. sp. 2 were also found. Six cones of .. nov. sp. 1, bearing large ovoid winged seeds, were found attached to a branch bearing leaves of .. Both typ作者: 啞劇 時(shí)間: 2025-3-23 12:38
North American Primitive Paleozoic Charophytes and Descendents,hree families (Chovanellaceae, Sycidiaceae, and Trochiliscaceae) and three genera, ., and . with seven species generically allocated as follows: . (1), . (4), and . (2). The fourth, and evolutionarily advanced order of charophytes, Charales, is represented in the Paleozoic by the sinistrally spirall作者: 觀察 時(shí)間: 2025-3-23 16:11
Calcification of Filaments of Boring and Cavity-Dwelling Algae, and the Construction of Micrite Enviment grains in reef environments. The activities of endolithic algae affect or control particle angularity and size, sediment porosity and permeability, particle micritization, micrite envelope formation, and other aspects of carbonate erosion and diagenesis..In controlled experiments in the shallo作者: 植物茂盛 時(shí)間: 2025-3-23 20:55
An Agricultural Revolution in the Lower Great Lakes,roquoian Princess Point Complex of southwestern Ontario. However, subsequent research has revealed earlier evidence of plant husbandry by proto-Iroquoian peoples in northwestern Ohio and southeastern Michigan, who represent the late Middle Woodland to early Late Woodland of the Western Basin Traditi作者: 爵士樂 時(shí)間: 2025-3-24 00:46 作者: 慢跑 時(shí)間: 2025-3-24 02:20 作者: SLAY 時(shí)間: 2025-3-24 09:43
The Return of Aquatic Vascular Plants into the Great Lakes Region after Late-Wisconsin Glaciation,despread genera, . and . were chosen because they are most frequently recorded in pollen diagrams. The movements of these genera were inferred by obtaining published pollen diagrams in which these genera were recorded. Only those records were used which were radiocarbon dated or based on inferences 作者: 致敬 時(shí)間: 2025-3-24 11:21 作者: 折磨 時(shí)間: 2025-3-24 15:12 作者: macrophage 時(shí)間: 2025-3-24 19:30
https://doi.org/10.1007/978-3-662-42520-6rests which is remarkably consistent throughout the region. Migration routes were influenced by both physiographic (Appalachians, Great Lakes) and climatic factors. The spread of . and . to their present ranges in glaciated areas is re-examined; additional detailed radiocarbon-dated analyses are req作者: Infuriate 時(shí)間: 2025-3-25 01:29 作者: Synovial-Fluid 時(shí)間: 2025-3-25 06:39
Die Grund- und Endprobleme der Erkenntnisnge of variation in these features among spores obtained from different specimens of the same cone species, and even from the same cone specimen, suggest that a clearcut division of species within the dispersed spore genus . is not possible. Caution should be used in making stratigraphic determinati作者: 使尷尬 時(shí)間: 2025-3-25 10:45
https://doi.org/10.1007/978-3-658-07581-1(Brongniart) Sternberg, . Sternberg, . Sternberg, and . Weiss compose nearly 25% of the flora. Few Lyginopterid elements have been encountered. Calamitean components are relatively abundant in the forms of . Sternberg, . Brongniart, and . Suckow, while Sphenophyllalean taxa are rare. Isolated sporop作者: Debate 時(shí)間: 2025-3-25 14:29 作者: Bravado 時(shí)間: 2025-3-25 18:31
Zyklus- und Ovulationsst?rungene of grains will produce a “constructive” micrite envelope, which differs from the envelopes produced by the boring — infilling mechanism described by Bathurst, by forming entirely on the grain exterior. The process of constructive envelope formation can be geologically rapid, occurring within a few作者: Barrister 時(shí)間: 2025-3-25 22:09
Anatomie von Bauchwand und Brustic province within which maize agriculture had previously been practical, to an even more northerly position, opening a new and hospitable ‘frontier’..The sociological implications of the settlement-subsistence shift from seasonally wandering bands of hunters, gatherers, and fishers to larger social作者: 合唱團(tuán) 時(shí)間: 2025-3-26 04:09
Bert H?lldobler,Christina Kwapichhernmost extension of these genera during late-Wisconsin time. These genera are well documented next in the Massachusetts region. Then their distribution appears to spread out into Nova Scotia, Quebec, and the Great Lakes region. It appears that the Appalachian Mountains were an important barrier to作者: 截?cái)?nbsp; 時(shí)間: 2025-3-26 05:07
Late Pleistocene and Postglacial Plant Communities of the Great Lakes Region,rests which is remarkably consistent throughout the region. Migration routes were influenced by both physiographic (Appalachians, Great Lakes) and climatic factors. The spread of . and . to their present ranges in glaciated areas is re-examined; additional detailed radiocarbon-dated analyses are req作者: 紅潤 時(shí)間: 2025-3-26 09:43 作者: 節(jié)約 時(shí)間: 2025-3-26 14:55 作者: Limited 時(shí)間: 2025-3-26 18:41 作者: constellation 時(shí)間: 2025-3-26 21:29 作者: Latency 時(shí)間: 2025-3-27 03:25 作者: 難聽的聲音 時(shí)間: 2025-3-27 06:50 作者: Herd-Immunity 時(shí)間: 2025-3-27 10:05 作者: 共同確定為確 時(shí)間: 2025-3-27 16:49 作者: 使服水土 時(shí)間: 2025-3-27 19:46 作者: Platelet 時(shí)間: 2025-3-28 01:31 作者: Malcontent 時(shí)間: 2025-3-28 03:46 作者: GROG 時(shí)間: 2025-3-28 08:00 作者: 鈍劍 時(shí)間: 2025-3-28 13:41 作者: congenial 時(shí)間: 2025-3-28 17:16 作者: nauseate 時(shí)間: 2025-3-28 20:20
Depositional and Floristic Interpretations of a Pollen Diagram from Middle Eocene, Claiborne Formatundance. Plant communities of the three source areas varied significantly in composition, a situation which must be considered in floristic interpretation of past community structures and paleoclimates.作者: 知識(shí)分子 時(shí)間: 2025-3-28 23:46
A Geobotanical Overview of the Bryophyta,the present-day moss generic flora has changed little since the close of Cretaceous time and has a preponderance of drought-resistant groups some of which extend back to the Paleozoic; and 6) present day diversity reflects radiate evolution by survivors of the desert episodes into new niches created by the ascendancy of angiospermous vegetation.作者: Suppository 時(shí)間: 2025-3-29 06:22 作者: 合適 時(shí)間: 2025-3-29 08:23 作者: resistant 時(shí)間: 2025-3-29 14:57 作者: Hiatus 時(shí)間: 2025-3-29 19:25 作者: 平常 時(shí)間: 2025-3-29 21:42
Preliminary Investigation of Two Late Triassic Conifers from York County, Pennsylvania,es of leaves and cones possess the same hairy type of cuticle. A small, elongate pollen cone, also with a hairy cuticle, was recovered from the plant layer. This cone contains . Leschik pollen. . and a morphologically similar pollen type, . Leschik, dominate the palynoflorule from the plant layer.作者: acquisition 時(shí)間: 2025-3-30 02:54
978-1-4757-1676-4Springer Science+Business Media New York 1977作者: Jejune 時(shí)間: 2025-3-30 06:14
https://doi.org/10.1007/978-3-663-04631-8ermined on paleobotanical grounds be correlated with those based upon geological considerations. A variety of paleoenvironments are preserved in and around the Eastern Interior Basin, providing opportunities for gathering both geologic and paleobotanical data.作者: SMART 時(shí)間: 2025-3-30 10:02
U.-J. G?hring,A. Ahr,S.D. Costa,A. Scharlpalachian summits. The possibility that the activity of Amerindians could have led to the formation of the balds as archaeological disclimax will be reexamined and proposals for future research will be suggested.作者: scoliosis 時(shí)間: 2025-3-30 16:23 作者: 使混合 時(shí)間: 2025-3-30 17:17 作者: 可耕種 時(shí)間: 2025-3-30 21:48 作者: Sputum 時(shí)間: 2025-3-31 02:30 作者: Additive 時(shí)間: 2025-3-31 08:19 作者: 不能和解 時(shí)間: 2025-3-31 11:14 作者: incision 時(shí)間: 2025-3-31 13:34 作者: investigate 時(shí)間: 2025-3-31 21:13
Zur Handhabung der Gruppendynamik,ssil plants. Several factors have played an important role in stimulating research along these lines. The present paper demonstrates several examples by which the reproductive parameters of fossil plants may be investigated. The total analysis of fossil plant reproductive systems not only provides a
