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“闽超”联赛与福马友谊赛本周末开踢 福州交通多措并举护航观赛路_我的网站

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    Photo: Screenshot from peerj.com
Chinese scientists studying a 244-million-year-old ichthyosaur Mixosaurus fossil from Southwest China’s Guizhou Province found at least 11 embryos inside the specimen. The discovery sets a new record for the highest number of embryos found in ichthyosaur lineages and reveals that high reproductive capacity in ichthyosaurs emerged earlier than previously believed, chinanews.com reported on Wednesday. 
Ichthyosaur was among the most successful Mesozoic marine reptiles, and its reproductive strategy was considered crucial to their adaptation to ocean environments. Its reproductive ability before extinction has long intrigued paleontologists.
A joint research team from the Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences (CAS), and the Zhejiang Museum of Natural History, has published the study on the ichthyosaur paleontology in the international journal PeerJ. 
According to Wang Wei, the paper’s corresponding author and an associate professor at the institute, embryo-preserving ichthyosaur fossils have been found across 11 genera from the Early Triassic to the Early Cretaceous. 
However, for ichthyosaur groups that diverged in the Early Triassic, embryo-bearing fossils known to scientists remain scarce, and knowledge about the number of offspring they carried is especially limited. Previous discoveries of pregnant specimens, such as Chaohusaurus and Mixosaurus, contained no more than three embryos, suggesting limited early reproductive capacity among early ichthyosaurs.
According to Gu Shengxiao, the paper’s first author and a researcher at the Zhejiang Museum of Natural History, the study examined an almost complete adult Mixosaurus panxianensis fossil from Guizhou’s Middle Triassic strata, dating back about 244 million years. The specimen measures 112 centimeters long, including a skull length of 22 centimeters, with only the tail tip missing. 
The researchers identified 11 fetal ichthyosaur skeletons with skulls inside the adult specimen’s abdomen, confirming they were embryos rather than cannibalized prey based on their position and morphology. There are also fossil pieces outside the belly of the adult, which could belong to the 11 or represent other embryos. 
All embryos in the Mixosaurus panxianensis fossil were at a similar late developmental stage, suggesting the mother died shortly before giving birth, according to the researchers.
The Mixosaurus panxianensis fossil containing at least 11 embryos sets a record for Triassic ichthyosaurs and all known ichthyosaur species. The researchers believe this indicates that Mixosaurus may have adopted a reproductive strategy of producing large numbers of offspring in a single birth. This exceptionally high reproductive capacity may have provided them with a survival advantage. 
Among Triassic ichthyosaurs and all known ichthyosaur groups, Mixosaurus is the genus with the largest number of fossil specimens and is also one of the most widely distributed ichthyosaurs. 
The researchers said the multi-embryo Mixosaurus panxianensis fossil may represent an extreme case, but it confirms the species’ ability to produce large numbers of offspring, potentially contributing to its dominance among contemporaneous marine reptiles. 
The study offers the first fossil evidence of high fertility in Triassic ichthyosaurs. Future research will examine other embryo-bearing Triassic ichthyosaurs to determine whether a multiple-offspring reproductive strategy was common in early ichthyosaur evolution and what factors drove this trait, Wang said. 
Global Times
。    AI摘要      为保障8月22日至23日福建省城市足球联赛及福马足球友谊赛期间观众出行，福州市交通运输局部署专项交通保障方案。         福州新闻网8月21日讯（记者 李琪 通讯员 道运综）“闽超”硝烟再起，福马以球会友。本周末，福州海峡奥林匹克体育中心将接连迎来两场足球盛宴，8月22日（本周六），福建省城市足球联赛火热开战，福州队坐镇主场迎战龙岩队；8月23日（本周日），同一片绿茵场上将上演福马足球友谊赛，福州队对阵马祖队。为确保广大球迷和观众安全出行、顺畅观赛，福州市交通运输局提前部署、细化专项交通运输保障方案，全力做好8月22日至23日期间的交通运输保障工作。    在进场保障方面，8月22日、23日16:45至19:30期间，途经海峡奥体中心周边道路的23条公交线路将加密运营趟次。同时，开通地铁东岭站A口、地铁霞镜站B口直达奥体中心西检票口的2条公交接驳专线。退场时段则集中在21:20至22:15，8月22日当天开通3条退场接驳专线，分别由海峡奥体中心发车直达白湖亭、宝龙城市广场、仓山万达广场。8月23日同样开通3条退场接驳专线，分别由奥体路公交总站发车直达宝龙城市广场、仓山万达广场，以及奥体南侧东岭福湾辅路口直达白湖亭地铁站所有退场专线末班时间均视现场客流情况灵活调整。    地铁方面，8月22日至23日期间，全线网6条运营线路安排备用列车，加强客流监测，优化行车组织，加密行车间隔。重点车站及关键出入口将加强保障，在5号线霞镜站、东岭站提前增派站区引导人员和安检安保力量，通过布设铁马、增设无包快速过检通道等客流管控措施，全面提升通行效率。    出租汽车方面，交通运输部门组织企业做好运力储备，强化对海峡奥体中心、景区、商圈等重点区域周边的运力调度。

二 | 8月22日至23日，在海峡奥体中心周边的横龙三路、东岭路（华威四季幼儿园前侧）、鹭岭路（健嘉康复医院西门）设置巡游出租车、网约车上客点，组织600辆保障车辆提前进驻等候，做好退场期间循环兜底保障。同时，综合运用热力图分析，通过设置电子围栏、倾斜派单、实时调度等方式，重点保障区域群众的出行需求。    赛事期间，福州市交通运输局还将组织志愿者驻守现场，协助维持秩序、引导客流，并组织企业储备应急运力，视客流实际情况灵活投放，确保观众往返顺畅无忧。

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