作者: 冷峻 時間: 2025-3-21 21:05 作者: musicologist 時間: 2025-3-22 03:37
Plant Diversification Through the Devonian in Brazil,story. Some international paleobotanical collaborations began in the three main sedimentary basins containing Devonian rocks, but with time, more attention was paid to marine invertebrates and palynomorphs. Nevertheless, recent efforts in the Devonian of the Paraná Basin promoted some contributions 作者: 裂縫 時間: 2025-3-22 06:03 作者: inferno 時間: 2025-3-22 09:25 作者: 兒童 時間: 2025-3-22 13:13
Growth Architecture Diversity Among Permian Calamitaleans in Brazil, the Permian fossil sites of the Parnaíba Basin, central-north Brazil. A thorough study of new material provided a novel account to arborescent horsetail relatives and made us aware of a much more diverse picture that these extinct giants deserve. As part of the riparian vegetation of rivers and lak作者: expansive 時間: 2025-3-22 19:54
,Siliceous Petrifactions in the Permian of the Parnaíba Basin, Central-North Brazil: Sedimentary Env times during the geological history, they permit deep insights into the composition and former function of tissues, organs, organisms, and even whole habitats. Regardless of sharing the main constituent, silica, in various modifications, the way to be formed cannot only vary considerably, but it ca作者: INERT 時間: 2025-3-22 21:26 作者: Intruder 時間: 2025-3-23 02:45
Geoconservation of Permian Petrified Forests from Northeastern Brazil,rvation and have a high scientific, educative, and touristic potential. These forests, especially in the central part of the basin (Poti River Petrified Forest, Petrified Forest of the Garapenses Hills, Altos Petrified Forest, and other occurrences), have gymnosperm woods as their main component, wh作者: 黃瓜 時間: 2025-3-23 09:21 作者: stress-test 時間: 2025-3-23 13:13
Permian Lycopsids from Brazil,e a glimpse into the lycopsid fossils from the Permian of Brazil. In this country, these plants have been reported from the Permian strata of the Parnaíba and Paraná basins. The Permian lycopsid fossil record of the Parnaíba Basin is scarce. For this basin, only a few axes classified as . were descr作者: 平庸的人或物 時間: 2025-3-23 17:13
,Diversity and Stratigraphic Distribution of Sphenophytes in the Permian of the Paraná Basin, Brazilo Permian in deposits of the Itararé Group and Rio Bonito, Teresina and Rio do Rasto formations. The most frequent genera are ., ., ., and .. Together with important reproductive structures and other vegetative parts, these genera assist the reconstruction of past floristic scenarios as well in the 作者: 溫和女人 時間: 2025-3-23 18:46 作者: 輕快帶來危險 時間: 2025-3-23 23:01 作者: colloquial 時間: 2025-3-24 06:05 作者: 諄諄教誨 時間: 2025-3-24 07:47
,Evidence of Arthropod–Plant Interactions Through the Permian in Brazil,iodiversity. Arthropods can interact in several ways with plants, using them as a shelter, a reproduction environment, or food. Herbivory is the most common interaction trace in the fossil record because plants produce a reaction tissue that stays conspicuously preserved. The Gondwana Permian flora 作者: 彩色 時間: 2025-3-24 10:58 作者: N斯巴達(dá)人 時間: 2025-3-24 18:22 作者: 昏迷狀態(tài) 時間: 2025-3-24 22:23 作者: glisten 時間: 2025-3-24 23:59 作者: Pathogen 時間: 2025-3-25 03:38
Kyu-Man Han,Byung-Joo Ham,Yong-Ku Kimr the beginning of palaeobotanical sciences in Europe. In Brazil, palaeobotany was developed initially by European researchers who studied fossils in distant Nordic countries. At the end of the 19th and the beginning of the 20th?century, during the transition from the Brazilian Empire?(1822-1889) to作者: 溫和女人 時間: 2025-3-25 09:33
Major Companies of United Kingdom,0–470 million years ago. Unambiguously macrofossil evidence of plants is of mid-Silurian age, about 430 million years ago. Plants then rapidly evolved and diversified. As soon as in Late Silurian/earliest Devonian times, the number of genera dramatically increased. Most of our knowledge on those ear作者: 枯燥 時間: 2025-3-25 14:17 作者: 新陳代謝 時間: 2025-3-25 19:21 作者: Lumbar-Spine 時間: 2025-3-25 21:34 作者: 領(lǐng)帶 時間: 2025-3-26 04:11 作者: 袖章 時間: 2025-3-26 05:10
R M Whiteside,A Wilson,C P Wilson times during the geological history, they permit deep insights into the composition and former function of tissues, organs, organisms, and even whole habitats. Regardless of sharing the main constituent, silica, in various modifications, the way to be formed cannot only vary considerably, but it ca作者: 酷熱 時間: 2025-3-26 10:04 作者: Comedienne 時間: 2025-3-26 16:24 作者: 原告 時間: 2025-3-26 17:28
R M Whiteside,J Forsyth,A Wilson is not present in any other group of plants, where the gametophytic generation is dominant and lack vascular tissues. Despite their fragile appearance, they present an extensive fossil record that attests their persistence and adaptation to varied climatic types and habitats. The record of bryophyt作者: 是限制 時間: 2025-3-26 23:25
R M Whiteside,J Forsyth,A Wilsone a glimpse into the lycopsid fossils from the Permian of Brazil. In this country, these plants have been reported from the Permian strata of the Parnaíba and Paraná basins. The Permian lycopsid fossil record of the Parnaíba Basin is scarce. For this basin, only a few axes classified as . were descr作者: 清醒 時間: 2025-3-27 04:06
Major Financial Institutions of Europe 1993o Permian in deposits of the Itararé Group and Rio Bonito, Teresina and Rio do Rasto formations. The most frequent genera are ., ., ., and .. Together with important reproductive structures and other vegetative parts, these genera assist the reconstruction of past floristic scenarios as well in the 作者: 驚奇 時間: 2025-3-27 07:30
https://doi.org/10.1007/978-94-011-2240-5ts, and some other elements of the . Flora. In dozens of outcrops at the eastern border of the basin, the ferns are mostly preserved as pinnae adpressions. Sterile leaves that are assumed to be ferns can be classified as . and more rarely as .. Fertile leaf species belong to ., ., ., and “.-like” fe作者: 皮薩 時間: 2025-3-27 11:59 作者: Amendment 時間: 2025-3-27 15:06 作者: 蒼白 時間: 2025-3-27 19:01 作者: 周興旺 時間: 2025-3-28 01:02 作者: 冥想后 時間: 2025-3-28 06:07
R M Whiteside,A Wilson,C P Wilsonck succession of clastic red-beds, with rich tetrapod fauna accompanying them. These petrified forests attest that favorable climate and environmental conditions existed at this time interval that followed the Permian-Triassic global extinctions and preceded the breakup of Gondwana. The diversity of作者: Asperity 時間: 2025-3-28 06:35 作者: Lipoma 時間: 2025-3-28 13:44
R M Whiteside,A Wilson,C P Wilsonved Early Cretaceous fossils. Since then, numerous biota has been studied, including abundant plant remains, thus granting the status of a . to the formation. Despite the paleontological interest, it is known that the host rocks of fossils are more than just limestone, yet include marls, shales, san作者: MAG 時間: 2025-3-28 15:13 作者: Arresting 時間: 2025-3-28 19:01
http://image.papertrans.cn/b/image/190481.jpg作者: BUMP 時間: 2025-3-29 01:07
https://doi.org/10.1007/978-3-319-90913-4paleobotany; plant fossils; palynoflora; palynology; paleoecology; paleoclimatology; paleoclimate; paleobio作者: 懸崖 時間: 2025-3-29 06:35
Brazilian Palaeobotany: Past, Present, and Future Perspectives,ses were created. At the end of this period, postgraduate courses were initiated in some universities with a specialization in palaeobotany. In the 1970s, recently graduated palaeobotanists sought new knowledge in European and North American institutions. From then onwards, a continuous partnership 作者: Spinal-Fusion 時間: 2025-3-29 10:16 作者: anaerobic 時間: 2025-3-29 15:14
Plant Diversification Through the Devonian in Brazil,in several institutions was briefly described and illustrated. In total, we compiled 25 genera of fossil plants distributed throughout the Lochkovian–Famennian interval. From the range of genera, three stratigraphic intervals and floral stages were identified, named .-., .-. and .. The early Devonia作者: commonsense 時間: 2025-3-29 16:41 作者: SEVER 時間: 2025-3-29 20:07 作者: 匯總 時間: 2025-3-30 00:43
Growth Architecture Diversity Among Permian Calamitaleans in Brazil,il suggest a considerable adaptive potential, which is revealed by diversity in both branching and anatomy. Accordingly, variable growth architectures resulted. They are reflected in several new reconstructions established to illustrate how these trees may have looked like. In addition, finds from t作者: cardiac-arrest 時間: 2025-3-30 05:15
,Siliceous Petrifactions in the Permian of the Parnaíba Basin, Central-North Brazil: Sedimentary Envks, anatomically preserved trunks, silcretes, and coquinas are investigated by light and cathodoluminescence microscopy to reveal taphonomic indications. As a result, we provide evidence of similar silicification patterns exhibited by quite different fossils, lithotypes, and host strata, which were 作者: 騎師 時間: 2025-3-30 09:55
Interrelatedness of Biota Revealed in Fossil Trees from the Permian Fossil Forest of Northern Tocanmineral substrates. Their remnants comprise stems, branches, and roots of tree ferns, sphenophytes, and gymnosperms. Close-fitting or densely interwoven among each other, the plant organs and their various connections to other organisms contribute to the knowledge of multifaceted synecological relat作者: Exuberance 時間: 2025-3-30 15:47
Geoconservation of Permian Petrified Forests from Northeastern Brazil,tion of these sites by the public agencies are still scarce. The current conservation state of this fossil heritage sites shows that there is a long path toward the development of geoconservation strategies to be implemented in these forests to promote their preservation. The systematization of thes作者: 大量 時間: 2025-3-30 18:06 作者: Demulcent 時間: 2025-3-30 23:05 作者: PARA 時間: 2025-3-31 02:17 作者: Neutral-Spine 時間: 2025-3-31 05:38
,Ferns from Permian of Paraná Basin and Paleoecological Interpretations, Permo-Carboniferous glaciation. . is a still poorly defined genus of Southwest Gondwana. The petrified stems and the .-like leaves of the Paraná Basin apparently are the only plants shared with the Parnaíba Basin, not necessarily of the same age. Concerning particularly . its wide translatitudinal 作者: clarify 時間: 2025-3-31 12:31 作者: GIBE 時間: 2025-3-31 14:09
Wildfires in Late Palaeozoic Strata in Brazil, deposits of the Itararé Group, getting abundant in the coal-bearing strata of the Cisuralian Rio Bonito Formation and becomes rare again in the uppermost Passa Dois Group (Guadalupian). In the Parnaíba Basin, charcoal is rare, and the only record described so far comes from the Permian Motuca Forma作者: fluoroscopy 時間: 2025-3-31 20:32
,Evidence of Arthropod–Plant Interactions Through the Permian in Brazil, today, even with the insect diversity not being as high as nowadays. The Brazilian Paleozoic insect fauna is composed of a meager number of specimens and taxa compared to other late Paleozoic deposits worldwide, showing a total of 25 species from nine different orders. All the Brazilian insect spec作者: 執(zhí) 時間: 2025-4-1 00:52 作者: Ptosis 時間: 2025-4-1 05:24 作者: Genteel 時間: 2025-4-1 06:46
Crato Lake Deposits. Rocks to Preserve an Extraordinary Fossil , from outcrops, quarries, and well logs. The current panorama deals with a very dynamic lacustrine system, sometimes fragmented in several lakes but eventually reassembled in a general tendency of enlargement. The main control was probably the rainfall regime under orbital forcing of cycles estimate作者: 使堅硬 時間: 2025-4-1 10:27
floral biodiversity originated and developed in these lowlands of South America, through chapters elaborated by the best Brazilian paleobotanist and palynologists?in collaboration with?foreign experts who dedicate to elucidate the evolution of the ancient flora in this part of the planet...?..?.978-3-319-90913-4作者: ATOPY 時間: 2025-4-1 15:22
Kyu-Man Han,Byung-Joo Ham,Yong-Ku Kimses were created. At the end of this period, postgraduate courses were initiated in some universities with a specialization in palaeobotany. In the 1970s, recently graduated palaeobotanists sought new knowledge in European and North American institutions. From then onwards, a continuous partnership 作者: 煩人 時間: 2025-4-1 21:18 作者: 收藏品 時間: 2025-4-2 00:35 作者: 多樣 時間: 2025-4-2 06:53
https://doi.org/10.1007/978-94-011-2238-2to understanding the floristic evolution of taxa in Western Gondwana and even in the world due to a mixture of elements of Euramerican and Gondwanan affinities are present. This flora offers us a rare chance to contribute to the knowledge of ferns with psilophytic habits and non-synangiate microspor作者: packet 時間: 2025-4-2 10:07 作者: 治愈 時間: 2025-4-2 12:38 作者: 偽證 時間: 2025-4-2 18:42
