超级电脑计算结果:地球将面临大灭绝 时间就在…
文章来源: ETtoday 于
- 新闻取自各大新闻媒体,新闻内容并不代表本网立场!
▲研究指出,受到全球暖化影响,到了2100年地球可能会有27%的物种消失。(图/路透)
国际一项最新研究显示,依照目前的趋势,在本世纪结束之前,地球上可能会有超过10%的物种灭绝,到了2100年可能会有27%的物种消失,而人类活动和气候变迁就是最主要的致命因素。
根据《卫报》报导,发表在国际期刊《科学先端》(Science
Advances)的最新研究指出,在本世纪结束之前,有超过4.2万个物种可能受到人类活动影响而灭绝,气候危机将在未来数十年内加速灭绝的连锁反应,因为掠食者失去猎物、寄生虫失去宿主,气温上升导致地球到生命网路被破坏。
此项研究透过超级电脑模拟,了解全球暖化和土地开发对生命网路所产生的影响,结果发现到了2050年,有6%的动物和植物会消失,而在本世纪末会有13%的物种灭绝;在最严重的情况下,到了2100年会有27%的动植物消失。
研究第一作者、欧盟委员会科学家斯特罗纳(Giovanni
Strona)表示,他们透过虚拟世界绘制了全球数千物种的最终命运,以推定现实世界中「爆发」的可能性,而气候变迁将视物种灭绝的主要致命因素。
共同作者澳洲福林德斯大学(Flinders University)教授布拉德肖(Corey
Bradshaw)指出,这项研究还考虑了生物多样性,推算了食物链中物种灭绝所导致的直接影响,「想想因气候变迁而失去猎物的掠食性物种,被捕的物种消失属于初级灭绝,接着就会造成掠食者灭绝,每个物种都在某种程度上依赖另一个物种。」
-->
`,
"script":[]
}
, "gg_rightside": {
"html":`
`,
"script":[{"type":"text/javascript","src":"//widgets.outbrain.com/outbrain.js","async":"async"}]
}
, "gg_duturandom": {
"html":`
`,
"script":[]
}
, "gg_square": {
"html":`
`,
"script":[]
}
, "gg_topbanner": {
"html":`
`,
"script":[]
}
, "gg_middlesquare": {
"html":`
`,
"script":[]
}
, "gg_dutu": {
"html":`
`,
"script":[]
}
, "gg_botline": {
"html":``,
"script":[]
}
, "gg_dututop": {
"html":`
`,
"script":[]
}
, "gg_shipintop": {
"html":`
`,
"script":[]
}
, "gg_inContent": {
"html":`
`,
"script":[]
}
, "gg_shipinrandom": {
"html":``,
"script":[]
}
, "gg_sideSticky": {
"html":`
`,
"script":[]
}
, "gg_bottombanner": {
"html":`
`,
"script":[{"type":"text/javascript","src":"//widgets.outbrain.com/outbrain.js","async":"async"}]
}
, "gg_marquee": {
"html":`
`,
"script":[]
}
}
const adEnv={
"gg_header": {
"html":``,
"script":[{"type":"text/javascript","exec":` var googletag = googletag || {}; googletag.cmd = googletag.cmd || []; var pbjs = pbjs || {}; pbjs.que = pbjs.que || []; `},{"type":"text/javascript","src":"https://adncdnend.azureedge.net/adn-hb/adn.wnx2.js","async":""},{"src":"https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js","async":"","data-ad-client":"ca-pub-7528949385909099"},{"type":"text/javascript","src":"https://adncdnend.azureedge.net/adn-video/WenxuecityPlayer.js","async":"async"}]
}
}
const wxcEnv = {
"base":{
"exe":[],
"src":[
{"src": "/news/js/recommendednews.js","defer":"true"},
{"src":"/js/wxcFunc.js","defer":"true"}
]
},
"func":{
"exe":[
//展示评论
'function showMoreComments(){let n = 13;for(let i=0;i
2){dom.hide();}}$("#showallcomment").show();$("#showlesscomment").hide();};hideComments();',
],
"src":[
//图片,搜索,QR code
{"src": "/news/js/view.js?v=05132024"},
//计数器
{"src":"//count.wenxuecity.com/service/count/script/do.php?type=news&id=12111258&n=0&out=jsval","defer":"true"},
]
}
}
function wxcCode(){
wxcEnv.base.exe.forEach(x=>{
let tag = buildAdcode(x);
document.head.append(tag);
})
wxcEnv.base.src.forEach(src => {
let tag = buildSrc(src)
document.head.append(tag);
});
wxcEnv.func.exe.forEach(x=>{
let tag = buildAdcode(x);
document.body.append(tag);
})
wxcEnv.func.src.forEach(src => {
let tag = buildSrc(src)
document.body.append(tag);
});
}
function adcode(){
let adkey = Object.keys(ads);
adkey.forEach(x=>{
let code = ads[x].html;
let div = document.getElementById(x);
if(div)div.innerHTML = code;
ads[x].script.forEach(s=>{
if(Object.keys(s).indexOf('src')===-1){
let tag = buildAdcode(s.exec);
document.body.append(tag);
}else{
let tag = buildSrc(s);
document.body.append(tag);
}
})
})
}
function baseCode(){
let baseKeys = Object.keys(adEnv);
baseKeys.forEach(x=>{
adEnv[x].script.forEach(s=>{
if(Object.keys(s).indexOf('src')===-1){
let tag = buildAdcode(s.exec);
document.head.append(tag);
}else{
let tag = buildSrc(s);
document.head.append(tag);
}
})
})
}
function buildAdcode(script){
let tag = document.createElement('script');
tag.innerHTML = script;
return tag;
}
function buildSrc(obj){
let keys = Object.keys(obj);
let tag = document.createElement("script");
keys.forEach(key=>{
tag.setAttribute(key, obj[key]);
})
return tag ;
}