کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4468520 1622332 2008 14 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Palaeofloristics of Middle Pennsylvanian lyginopteridaleans in Variscan Euramerica
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات فرآیندهای سطح زمین
پیش نمایش صفحه اول مقاله
Palaeofloristics of Middle Pennsylvanian lyginopteridaleans in Variscan Euramerica
چکیده انگلیسی

During Bolsovian times, the Lyginopteridales (Spermatophyta) had a very similar biogeographical distribution across Variscan Euramerica to that revealed by the Medullosales (Spermatophyta). However, this biogeographical pattern progressively breaks-down during Asturian and Cantabrian times, as the species diversity of the order declines dramatically. This decline was probably the result of being out-competed for resources by the reproductively more-sophisticated Callistophytales. There remains little direct evidence for marked climate changing occurring until middle or late Cantabrian times.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Palaeogeography, Palaeoclimatology, Palaeoecology - Volume 261, Issues 1–2, 24 April 2008, Pages 1–14
نویسندگان
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