垫子
发表于 2025-3-23 13:10:19
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ADAGE
发表于 2025-3-23 15:57:50
Paul O’Connoric Belt. In 2016, the ICDP MexiDrill project recovered a total of 1152 m of sediments from a maximum depth of 520 m in Lake Chalco, in the SW of the Basin of Mexico. The upper 309.15 m (composite sequence, mc) are composed of fine-grained lacustrine sediments alternating with discrete visible tephra
表示向下
发表于 2025-3-23 21:01:17
from two cores – one littoral in a water column of 15 m deep and one from the center of the ca. 40 m-deep lake – provide a sequence of environmental change spanning the last c. 12 ky. Diatom assemblages during the late Glacial are representative of shallow water or marsh-type environments, indicati
blithe
发表于 2025-3-23 23:44:40
Paul O’Connorr excitement for field work and examining sediments was contagious, and she was always testing new research ideas. Beth would have been thrilled with the diversity of papers presented in the volume and the wide array of techniques used to determine the history, geochemistry, paleontology, and paleoc
肌肉
发表于 2025-3-24 06:19:08
Paul O’Connoreville, and today is the fourth largest perennial and closed basin lake in the world. More than a century of study on the Pleistocene megalake and its modern hypersaline environment (latitude 40.7° to 41.7°N, longitude 111.9° to 113.1°W) has significantly contributed to what we know about lake syste
BUST
发表于 2025-3-24 08:54:12
Paul O’Connorct orders Ephemeroptera (mayflies), Plecoptera (stoneflies), Trichoptera (caddisflies), Megaloptera, Coleoptera (beetles), and certain Diptera. Many other types of invertebrates, attached and planktonic algae, rooted vascular plants, and various vertebrates also are common in streams of higher order
ALLAY
发表于 2025-3-24 13:30:34
ct orders Ephemeroptera (mayflies), Plecoptera (stoneflies), Trichoptera (caddisflies), Megaloptera, Coleoptera (beetles), and certain Diptera. Many other types of invertebrates, attached and planktonic algae, rooted vascular plants, and various vertebrates also are common in streams of higher order
carotid-bruit
发表于 2025-3-24 15:18:58
Paul O’Connorct orders Ephemeroptera (mayflies), Plecoptera (stoneflies), Trichoptera (caddisflies), Megaloptera, Coleoptera (beetles), and certain Diptera. Many other types of invertebrates, attached and planktonic algae, rooted vascular plants, and various vertebrates also are common in streams of higher order
雪崩
发表于 2025-3-24 19:25:20
Paul O’Connorethod would involve catching or, in some way, counting the entire population. However, this approach is usually either impossible to do in practice or, at least, destructive to the natural populations. Instead, a mark-and-recapture procedure frequently is used to obtain a statistical estimate of the
A保存的
发表于 2025-3-25 03:13:03
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