海口市轄秀(xiu)英、龍(long)華、瓊山、美(mei)蘭(lan)4個(ge)(ge)(ge)區(qu)(qu)(縣級);下設21個(ge)(ge)(ge)街(jie)(jie)道(dao)、22個(ge)(ge)(ge)鎮(zhen)(zhen)(zhen)、207個(ge)(ge)(ge)社區(qu)(qu)、245個(ge)(ge)(ge)行政村。其中(zhong),秀(xiu)英區(qu)(qu)轄秀(xiu)英、海(hai)(hai)秀(xiu)2個(ge)(ge)(ge)街(jie)(jie)道(dao)辦事(shi)處(chu),長流、西(xi)秀(xiu)、海(hai)(hai)秀(xiu)、石(shi)山、永興、東山6個(ge)(ge)(ge)鎮(zhen)(zhen)(zhen);龍(long)華區(qu)(qu)轄中(zhong)山、濱(bin)海(hai)(hai)、大同、金貿、金宇、海(hai)(hai)墾6個(ge)(ge)(ge)街(jie)(jie)道(dao)辦事(shi)處(chu),城(cheng)西(xi)、龍(long)橋、龍(long)泉、新(xin)坡(po)、遵譚5個(ge)(ge)(ge)鎮(zhen)(zhen)(zhen);瓊山區(qu)(qu)轄國興、府城(cheng)、鳳翔、濱(bin)江4個(ge)(ge)(ge)街(jie)(jie)道(dao)辦事(shi)處(chu),龍(long)塘、云龍(long)、紅旗、舊(jiu)州、三(san)門坡(po)、甲子、大坡(po)7個(ge)(ge)(ge)鎮(zhen)(zhen)(zhen);美(mei)蘭(lan)區(qu)(qu)轄白(bai)龍(long)、白(bai)沙、博愛(ai)、海(hai)(hai)甸、藍天、海(hai)(hai)府路、人民路、和平南(nan)、新(xin)埠(bu)9個(ge)(ge)(ge)街(jie)(jie)道(dao)辦事(shi)處(chu),靈(ling)山、演(yan)豐、三(san)江、大致(zhi)坡(po)4個(ge)(ge)(ge)鎮(zhen)(zhen)(zhen)和海(hai)(hai)口市桂林洋開發(fa)區(qu)(qu)。
海(hai)(hai)(hai)口位于(yu)北緯19°32′-20°05′,東經110°10′-110°41′;地處海(hai)(hai)(hai)南島北部(bu),隔18海(hai)(hai)(hai)里與(yu)廣(guang)東省(sheng)海(hai)(hai)(hai)安鎮(zhen)相(xiang)望;東面(mian)與(yu)文昌市相(xiang)鄰(lin),南面(mian)與(yu)文昌市、定安縣(xian)接壤,西面(mian)鄰(lin)接澄邁縣(xian)。海(hai)(hai)(hai)口市地形略呈長心形,地勢平緩,海(hai)(hai)(hai)南島最(zui)長的(de)河流———南渡江(jiang)(jiang)從中部(bu)穿過。西北部(bu)和東南部(bu)較(jiao)高,中部(bu)南渡江(jiang)(jiang)沿(yan)岸低平,北部(bu)多為(wei)沿(yan)海(hai)(hai)(hai)小平原。全(quan)市除石山鎮(zhen)境內(nei)(nei)的(de)馬鞍嶺 (海(hai)(hai)(hai)拔(ba) 222.2 米(mi)(mi))、舊州(zhou)鎮(zhen)境內(nei)(nei)的(de)舊州(zhou)嶺 (199.9 米(mi)(mi))、甲子鎮(zhen)境內(nei)(nei)的(de)日(ri)曬(shai)嶺 (171 米(mi)(mi))、永興鎮(zhen)境內(nei)(nei)的(de)雷虎嶺 (168.3 米(mi)(mi))等38個山丘較(jiao)高外(wai),絕(jue)大部(bu)分為(wei)海(hai)(hai)(hai)拔(ba)100米(mi)(mi)以下的(de)臺(tai)地和平原。馬鞍嶺為(wei)全(quan)市最(zui)高點。
海(hai)(hai)(hai)(hai)口市地(di)(di)(di)(di)(di)質(zhi)構(gou)造(zao)(zao)上屬于(yu)雷瓊(qiong)(qiong)(qiong)(qiong)拗陷(xian)(xian)區。中(zhong)新(xin)世及上新(xin)世海(hai)(hai)(hai)(hai)南(nan)島王五-文教(jiao)大斷裂(lie)以(yi)北(bei)(bei)(bei)發生(sheng)斷陷(xian)(xian),形成(cheng)瓊(qiong)(qiong)(qiong)(qiong)北(bei)(bei)(bei)斷陷(xian)(xian)盆(pen)地(di)(di)(di)(di)(di),堆(dui)積(ji)了巨(ju)厚的(de)新(xin)生(sheng)代(第(di)三紀)地(di)(di)(di)(di)(di)層,至全(quan)新(xin)世(第(di)四(si) 紀),并有多(duo)次(ci)(ci)地(di)(di)(di)(di)(di)震和(he)(he)海(hai)(hai)(hai)(hai)底火(huo)山活動,有多(duo)期火(huo)山巖(yan)穿插分布于(yu)第(di)三紀和(he)(he)第(di)四(si)紀沉積(ji)物(wu)之(zhi)中(zhong),出露于(yu)地(di)(di)(di)(di)(di)表組成(cheng)火(huo)山熔巖(yan)臺地(di)(di)(di)(di)(di),分布面(mian)積(ji)廣。上新(xin)世晚期,海(hai)(hai)(hai)(hai)島北(bei)(bei)(bei)部(bu)(bu)(bu)地(di)(di)(di)(di)(di)殼上升(sheng),其(qi)間(jian)也有幾次(ci)(ci)火(huo)山噴發,中(zhong)全(quan)新(xin)世以(yi)后,北(bei)(bei)(bei)部(bu)(bu)(bu)和(he)(he)東北(bei)(bei)(bei)部(bu)(bu)(bu)地(di)(di)(di)(di)(di)殼緩慢下(xia)降(jiang),接(jie)受沉積(ji)。海(hai)(hai)(hai)(hai)口市位(wei)于(yu)瓊(qiong)(qiong)(qiong)(qiong)北(bei)(bei)(bei)新(xin)生(sheng)代斷陷(xian)(xian)盆(pen)地(di)(di)(di)(di)(di)中(zhong),由新(xin)生(sheng)代瓊(qiong)(qiong)(qiong)(qiong)北(bei)(bei)(bei)斷陷(xian)(xian)盆(pen)地(di)(di)(di)(di)(di) (為主) 與瓊(qiong)(qiong)(qiong)(qiong)東北(bei)(bei)(bei)隆起 (東南(nan)部(bu)(bu)(bu))構(gou)成(cheng),位(wei)于(yu)區域(yu)性近東西向、近南(nan)北(bei)(bei)(bei)向、北(bei)(bei)(bei)東向和(he)(he)北(bei)(bei)(bei)西向斷裂(lie)的(de)交接(jie)復合部(bu)(bu)(bu)位(wei)。地(di)(di)(di)(di)(di)層構(gou)造(zao)(zao)屬新(xin)生(sheng)代以(yi)后海(hai)(hai)(hai)(hai)相、海(hai)(hai)(hai)(hai)陸交替相地(di)(di)(di)(di)(di)層。其(qi)巖(yan)漿巖(yan)分為侵入(ru)巖(yan)和(he)(he)火(huo)山巖(yan),侵入(ru)巖(yan)零星外露,火(huo)山巖(yan)大面(mian)積(ji)分布。
地(di)表主(zhu)要為第四紀基性火(huo)山(shan)巖和第四系松散沉積物,呈較大面積分布(bu),濱(bin)海(hai)(hai)以濱(bin)海(hai)(hai)臺(tai)階式(shi)地(di)貌為主(zhu),西(xi)(xi)部(bu)(bu)(bu)以典(dian)型的(de)火(huo)山(shan)地(di)貌為主(zhu)。全市地(di)貌基本分為北部(bu)(bu)(bu)濱(bin)海(hai)(hai)平原區,中部(bu)(bu)(bu)沿江階地(di)區,東部(bu)(bu)(bu)、南部(bu)(bu)(bu)臺(tai)地(di)區,西(xi)(xi)部(bu)(bu)(bu)熔巖臺(tai)地(di)區。
主要土(tu)(tu)壤(rang)類型(xing)有玄武巖(yan)磚紅壤(rang)、火(huo)山灰幼齡磚紅壤(rang)、砂頁(ye)巖(yan)磚紅壤(rang)、帶狀潮沙(sha)泥、濱海沙(sha)土(tu)(tu)。土(tu)(tu)壤(rang)土(tu)(tu)種共 8 個(ge)(ge)(ge)土(tu)(tu)類,12 個(ge)(ge)(ge)亞類,43 個(ge)(ge)(ge)土(tu)(tu)屬(shu),110 個(ge)(ge)(ge)土(tu)(tu)種。
海口市地(di)處低(di)(di)緯度(du)熱帶(dai)北緣,屬于熱帶(dai)海洋氣(qi)候。春季(ji)(ji)溫(wen)暖少雨(yu)(yu)多(duo)旱(han),夏季(ji)(ji)高溫(wen)多(duo)雨(yu)(yu),秋季(ji)(ji)濕涼多(duo) 臺風(feng)暴雨(yu)(yu),冬(dong)季(ji)(ji)干(gan)旱(han)時(shi)有(you)冷氣(qi)流侵襲帶(dai)有(you)陣寒(han)。全年(nian)(nian)日(ri)(ri)照時(shi)間長,輻(fu)射(she)能量(liang)大,年(nian)(nian)平(ping)(ping)(ping)均(jun)(jun)(jun)日(ri)(ri)照時(shi)數 2000 小時(shi)以上,太 陽輻(fu)射(she)量(liang) 可達 11~12 萬卡;年(nian)(nian)平(ping)(ping)(ping)均(jun)(jun)(jun)氣(qi)溫(wen) 23.8℃ ,最高平(ping)(ping)(ping)均(jun)(jun)(jun)氣(qi)溫(wen)28℃左右,最低(di)(di)平(ping)(ping)(ping)均(jun)(jun)(jun)氣(qi)溫(wen)18℃左右;年(nian)(nian)平(ping)(ping)(ping)均(jun)(jun)(jun)降(jiang)水量(liang) 1816 毫米(mi),平(ping)(ping)(ping)均(jun)(jun)(jun)日(ri)(ri)降(jiang)雨(yu)(yu)量(liang)在 0.1 毫米(mi)以上,雨(yu)(yu)日(ri)(ri) 150 天以上;年(nian)(nian)平(ping)(ping)(ping)均(jun)(jun)(jun)蒸發量(liang) 1834 毫米(mi),平(ping)(ping)(ping)均(jun)(jun)(jun)相對濕度(du) 85%。常年(nian)(nian)以東北風(feng)和東南風(feng)為主,年(nian)(nian)平(ping)(ping)(ping)均(jun)(jun)(jun)風(feng)速 3.4 米(mi) / 秒。
海(hai)(hai)口(kou)自產水(shui)資(zi)源總(zong)(zong)量(liang)(liang)(liang)19.07 億立(li)(li)方(fang)(fang)(fang)米(mi)(mi),水(shui)資(zi)源總(zong)(zong)量(liang)(liang)(liang)折合地(di)(di)表徑流(liu)(liu)(liu)(liu)深為(wei) 830 毫(hao)米(mi)(mi)。海(hai)(hai)南(nan)(nan)島(dao)最長的河(he)(he)(he)流(liu)(liu)(liu)(liu)南(nan)(nan)渡(du)江(jiang)(jiang)穿(chuan)過海(hai)(hai)口(kou)市(shi)中(zhong)部(bu)(bu)(bu)(bu)入海(hai)(hai)。南(nan)(nan)渡(du)江(jiang)(jiang)主(zhu)流(liu)(liu)(liu)(liu)在市(shi)區長 75 千(qian)米(mi)(mi),流(liu)(liu)(liu)(liu)域面積(ji)(ji)1300 平方(fang)(fang)(fang)千(qian)米(mi)(mi),年(nian)徑流(liu)(liu)(liu)(liu)量(liang)(liang)(liang) 60.99 億立(li)(li)方(fang)(fang)(fang)米(mi)(mi)。海(hai)(hai)口(kou)市(shi)主(zhu)要河(he)(he)(he)流(liu)(liu)(liu)(liu)有(you)(you)(you) 17 條(tiao)(tiao)。其中(zhong),南(nan)(nan)渡(du)江(jiang)(jiang)水(shui)系 7 條(tiao)(tiao),南(nan)(nan)渡(du)江(jiang)(jiang)干流(liu)(liu)(liu)(liu)從(cong)海(hai)(hai)口(kou)市(shi)西(xi)南(nan)(nan)部(bu)(bu)(bu)(bu)東(dong)山鎮流(liu)(liu)(liu)(liu)入境(jing)內(nei),穿(chuan)過中(zhong)部(bu)(bu)(bu)(bu),于(yu)(yu)北部(bu)(bu)(bu)(bu)入海(hai)(hai),入海(hai)(hai)口(kou)段(duan)從(cong)西(xi)向(xiang)東(dong)主(zhu)要分(fen)流(liu)(liu)(liu)(liu)有(you)(you)(you)海(hai)(hai)甸溪(xi)(xi)、橫溝(gou)河(he)(he)(he)、潭(tan)覽河(he)(he)(he)、邁(mai)雅(ya)河(he)(he)(he)和(he)(he)道孟溪(xi)(xi)。支流(liu)(liu)(liu)(liu)有(you)(you)(you)鐵爐溪(xi)(xi)、三十(shi)六(liu)曲溪(xi)(xi)、鴨(ya)尾溪(xi)(xi) 、昌(chang)旺溪(xi)(xi)(南(nan)(nan)面溪(xi)(xi))、美舍河(he)(he)(he)和(he)(he)響水(shui)河(he)(he)(he);獨流(liu)(liu)(liu)(liu)入海(hai)(hai)的有(you)(you)(you) 9 條(tiao)(tiao),分(fen)別(bie)為(wei)演洲河(he)(he)(he) 、五(wu)源河(he)(he)(he)、榮山河(he)(he)(he)、演豐(feng)東(dong)河(he)(he)(he)、演豐(feng)西(xi)河(he)(he)(he)、羅雅(ya)河(he)(he)(he)、芙(fu)蓉河(he)(he)(he)、龍(long)昆溝(gou)和(he)(he)秀(xiu)(xiu)英(ying)溝(gou),另外有(you)(you)(you)白石溪(xi)(xi)流(liu)(liu)(liu)(liu)從(cong)文(wen)昌(chang)市(shi)境(jing)內(nei)出(chu)海(hai)(hai)。境(jing)內(nei)有(you)(you)(you)鳳(feng)潭(tan)、鐵爐、東(dong)湖、風圮(pi)、云龍(long)、丁榮、嶺北、玉風、沙坡等(deng)水(shui)庫(ku),總(zong)(zong)庫(ku)容量(liang)(liang)(liang) 1.5 億立(li)(li)方(fang)(fang)(fang)米(mi)(mi)。海(hai)(hai)口(kou)市(shi)地(di)(di)處(chu)南(nan)(nan)渡(du)江(jiang)(jiang)下游河(he)(he)(he)口(kou)河(he)(he)(he)網地(di)(di)帶和(he)(he)休眠火山口(kou)地(di)(di)帶,潛(qian)水(shui)、承(cheng)壓(ya)水(shui)分(fen)布 廣泛。潛(qian)水(shui)含水(shui)層以(yi)南(nan)(nan)渡(du)江(jiang)(jiang)三角洲潛(qian)水(shui)和(he)(he)玄(xuan)武(wu)巖(yan)孔隙裂隙潛(qian)水(shui)為(wei)主(zhu),分(fen)布范圍分(fen)別(bie)近 800 平方(fang)(fang)(fang)千(qian)米(mi)(mi)、400 平方(fang)(fang)(fang)千(qian)米(mi)(mi),水(shui)位單位涌水(shui)量(liang)(liang)(liang)分(fen)別(bie)可達 14.6 升(sheng) / 秒、30 升(sheng) / 秒。地(di)(di)下承(cheng)壓(ya)水(shui)處(chu)于(yu)(yu)雷(lei)瓊盆 地(di)(di),含水(shui)總(zong)(zong)厚 度達 200 米(mi)(mi)~ 350 米(mi)(mi),老海(hai)(hai)口(kou)、秀(xiu)(xiu)英(ying)兩段(duan)可采(cai)量(liang)(liang)(liang)共27 萬立(li)(li)方(fang)(fang)(fang)米(mi)(mi) / 晝夜。地(di)(di)下熱礦泉(quan)水(shui)處(chu)于(yu)(yu)瓊北自流(liu)(liu)(liu)(liu)水(shui)盆地(di)(di)東(dong)北部(bu)(bu)(bu)(bu)新生代(dai)厚層,分(fen)布面積(ji)(ji)約 200 平方(fang)(fang)(fang)千(qian)米(mi)(mi)。
海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)口(kou)市北面(mian)臨海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai),海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)域面(mian)積(ji) 830 平(ping)(ping)方千米(mi),海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)岸線長 136.23 千米(mi)。海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)水(shui)平(ping)(ping)均水(shui)溫(wen) 25℃,最高 34℃,最低(di) 17.2℃。透(tou)明(ming)度(du) 1 米(mi),最大達 2 米(mi)。淺(qian)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)鹽(yan)度(du) 29.6%~31.8%。大部分(fen)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)底平(ping)(ping)緩,以(yi)軟泥(ni)為(wei)主(zhu),泥(ni)沙次之(zhi);靠近沙灘(tan)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)岸一帶海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)底以(yi)細沙為(wei)主(zhu)。近海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)水(shui)質富含有(you)(you)(you)機物質和(he)無機鹽(yan)。60 米(mi)~100 米(mi)等(deng)深(shen)線以(yi)內(nei)的(de)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)域面(mian)積(ji)約 200 平(ping)(ping)方千米(mi),10 米(mi)等(deng)深(shen)線以(yi)內(nei)的(de)淺(qian)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)、灘(tan)涂面(mian)積(ji)上百平(ping)(ping)方千米(mi)。大部分(fen)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)岸坡度(du)平(ping)(ping)緩,岸線開闊連綿,沙岸帶沙細潔白,有(you)(you)(you)假(jia)日(ri)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)灘(tan)、西秀(xiu)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)灘(tan)、粵海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)鐵路通(tong)道南站碼頭海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)灘(tan)、白沙門海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)灘(tan)、東寨港海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)濱(bin)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)灘(tan)、桂林洋(yang)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)灘(tan)等(deng)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)濱(bin)風景區和(he)游樂區。港灣與近海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)還有(you)(you)(you)少許島礁(jiao)和(he)潮灘(tan)。近海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)水(shui)清澈,常年風輕(qing)浪平(ping)(ping),有(you)(you)(you)多(duo)處(chu)為(wei)適宜的(de)傍(bang)岸泳區。
處在全國(guo)橡膠(jiao)、胡椒等(deng)(deng)(deng)熱帶經濟作(zuo)物產區,擁有(you)林地9.58 萬公頃,約(yue)占土地面積的(de)(de)42%。 地上有(you)野生植物 1980 種(zhong)(zhong)(zhong),其中(zhong)海(hai)(hai)南(nan)特(te)有(you)的(de)(de) 40 多種(zhong)(zhong)(zhong),被列為國(guo)家一級(ji)保(bao)護的(de)(de) 有(you)蘇 鐵 、坡 壘、海(hai)(hai) 南(nan)黃 花梨 3 種(zhong)(zhong)(zhong),國(guo)家二級(ji)保(bao)護的(de)(de)有(you)黃檀(tan)、粗榧、土沉香、見血封喉等(deng)(deng)(deng) 10 多種(zhong)(zhong)(zhong) 。喬(qiao)、灌木 180 多種(zhong)(zhong)(zhong),其中(zhong) 80 多種(zhong)(zhong)(zhong)屬經濟價值(zhi)較高的(de)(de)樹種(zhong)(zhong)(zhong),諸如橡膠(jiao)、椰子(zi)、 棕櫚、龍眼、荔枝、波羅蜜、咖啡、 黃皮、蓮霧、胡椒、檳榔等(deng)(deng)(deng)。藥用植物 1200 多種(zhong)(zhong)(zhong),其中(zhong)較著名(ming)的(de)(de)有(you)巴戟、益智、砂仁等(deng)(deng)(deng)。境內有(you)野生陸棲脊(ji)椎(zhui)動物 199種(zhong)(zhong)(zhong) ,其中(zhong)紅(hong) 胸角雉(zhi)、山鷓鴣、海(hai)(hai)南(nan)虎(hu)鳽 (jian) 等(deng)(deng)(deng) 5 種(zhong)(zhong)(zhong)為海(hai)(hai)南(nan)特(te)有(you)種(zhong)(zhong)(zhong);列入國(guo)家一、二類重點保(bao)護名(ming)錄的(de)(de)有(you)蟒蛇、唐魚、海(hai)(hai)南(nan)山鷓鴣等(deng)(deng)(deng)13 種(zhong)(zhong)(zhong)。
有(you)(you) 830 平方(fang)千(qian)米的(de)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)域、上百平方(fang)千(qian)米的(de)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)灣(wan)灘涂,有(you)(you)利(li)于發展海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)洋(yang)捕撈及海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)水養殖。海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)口管轄海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)域內共有(you)(you)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)島 15 個(ge),3 個(ge)為(wei)有(you)(you)居民海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)島;自(zi)西向東分(fen)布著(zhu)諸(zhu)多天然港(gang)灣(wan),如金沙灣(wan)、新海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)港(gang)、西海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)岸(an)(an)(an)、秀英港(gang)、海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)口灣(wan)、東海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)岸(an)(an)(an)、東寨港(gang)等(deng)(deng)(deng)。其(qi)中(zhong),海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)口港(gang)為(wei)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)南(nan)交(jiao)通(tong)樞紐(niu)和客貨集散中(zhong)心,是中(zhong)國大陸沿(yan)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)港(gang)口到東南(nan)亞各(ge)地通(tong)航貿易船舶的(de)必(bi)經之(zhi)港(gang),素有(you)(you)“瓊州門戶”之(zhi)稱。港(gang)口岸(an)(an)(an)線資源(yuan)豐富(fu),從西到東可(ke)分(fen)為(wei)馬(ma)村(cun)岸(an)(an)(an)段(duan)、盈濱—天尾岸(an)(an)(an)段(duan)、海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)口灣(wan)岸(an)(an)(an)段(duan)等(deng)(deng)(deng)多個(ge)岸(an)(an)(an)段(duan)。馬(ma)村(cun)岸(an)(an)(an)段(duan) 10 米等(deng)(deng)(deng)深線在離(li)岸(an)(an)(an) 1500~1700 米;盈濱—天尾岸(an)(an)(an)段(duan)港(gang)灣(wan)開闊,對巨型(xing)船舶泊穩條件較好,適宜建深水港(gang);海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)口灣(wan)的(de)穩泊條件好,可(ke)建設大型(xing)港(gang)口。海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)洋(yang)漁業資源(yuan)主要(yao)有(you)(you)魚(yu)類(lei)(lei)、蝦類(lei)(lei)、蟹(xie)類(lei)(lei)、貝(bei)類(lei)(lei)等(deng)(deng)(deng)。其(qi)中(zhong)魚(yu)類(lei)(lei)有(you)(you) 100 多種(zhong),常見且(qie)質(zhi)優的(de)魚(yu)類(lei)(lei)有(you)(you)馬(ma)鮫魚(yu)、黃花(hua)(hua)魚(yu)、鯔、金線魚(yu)、石斑(ban)魚(yu)、海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)鯉魚(yu)等(deng)(deng)(deng);蝦類(lei)(lei)有(you)(you)斑(ban)節對蝦、沙蝦、青蝦等(deng)(deng)(deng);蟹(xie)類(lei)(lei)有(you)(you)鋸(ju)緣青蟹(xie)、小蟹(xie)、花(hua)(hua)蟹(xie)、膏蟹(xie)、梭(suo)子(zi)蟹(xie)等(deng)(deng)(deng);頭(tou)足(zu)類(lei)(lei)與(yu)貝(bei)類(lei)(lei)有(you)(you)烏賊、墨魚(yu)、鮑 魚(yu)、泥蚶、牡蠣等(deng)(deng)(deng);大型(xing)藻類(lei)(lei)主要(yao)為(wei)長莖蕨(jue)藻、麒麟(lin)菜、馬(ma)尾藻等(deng)(deng)(deng);傳統藥用海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)洋(yang)生物有(you)(you)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)蛇、海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)馬(ma)、海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)龍、海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)參、海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)膽、海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)星、海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)兔等(deng)(deng)(deng)。
境(jing)內已探明(ming)礦(kuang)(kuang)(kuang)(kuang)(kuang)產(chan)資源(yuan)(yuan) 20 種(zhong)(zhong),其(qi)中能源(yuan)(yuan)礦(kuang)(kuang)(kuang)(kuang)(kuang)產(chan)有石油、天(tian)然氣、褐煤(mei)、低熱(re)(re)值油頁巖 (油炭(tan)質頁巖)、泥炭(tan)5 種(zhong)(zhong);金屬(shu)礦(kuang)(kuang)(kuang)(kuang)(kuang)產(chan)有鋁土(tu)礦(kuang)(kuang)(kuang)(kuang)(kuang)、鈷土(tu)礦(kuang)(kuang)(kuang)(kuang)(kuang)、褐鐵礦(kuang)(kuang)(kuang)(kuang)(kuang)3種(zhong)(zhong);非(fei)金屬(shu)礦(kuang)(kuang)(kuang)(kuang)(kuang)產(chan)有高嶺(ling)(ling)土(tu)、耐火黏土(tu)、磚瓦(wa)黏土(tu)、硅藻(zao)土(tu)、膨(peng)潤土(tu)、沸石、浮石、建(jian)筑(zhu)用(yong)玄武巖、建(jian)筑(zhu)用(yong)砂9種(zhong)(zhong);水(shui)(shui)氣礦(kuang)(kuang)(kuang)(kuang)(kuang)產(chan)有飲用(yong)天(tian)然礦(kuang)(kuang)(kuang)(kuang)(kuang)泉水(shui)(shui)、熱(re)(re)礦(kuang)(kuang)(kuang)(kuang)(kuang)水(shui)(shui)、地下水(shui)(shui)3種(zhong)(zhong)。具備明(ming)顯(xian)優勢和開發潛(qian)力的(de)礦(kuang)(kuang)(kuang)(kuang)(kuang)產(chan)資源(yuan)(yuan)主要有飲用(yong)天(tian)然礦(kuang)(kuang)(kuang)(kuang)(kuang)泉水(shui)(shui)、地 熱(re)(re)水(shui)(shui)、地下水(shui)(shui),以及建(jian)筑(zhu)大(da)宗用(yong)的(de)河砂、玄武巖石材(cai)、磚瓦(wa)黏土(tu)等(deng);比較(jiao)重(zhong)要的(de)礦(kuang)(kuang)(kuang)(kuang)(kuang)產(chan)資源(yuan)(yuan)有鈷土(tu)礦(kuang)(kuang)(kuang)(kuang)(kuang)、鋁土(tu)礦(kuang)(kuang)(kuang)(kuang)(kuang)、褐煤(mei)、低熱(re)(re)值油炭(tan)質頁巖、高嶺(ling)(ling)土(tu)、耐火黏土(tu)等(deng)。地熱(re)(re)資源(yuan)(yuan)豐富,地熱(re)(re)田控制(zhi)面積約(yue)4平(ping)方千米(mi),分布在350~700 米(mi)深 度內 ,水(shui)(shui)溫 39.5℃~49℃,礦(kuang)(kuang)(kuang)(kuang)(kuang)化度 1~2.3 克(ke) / 升。
西漢武帝元封元年(nian)(nian)(nian)(nian) (前110 年(nian)(nian)(nian)(nian)),海(hai)(hai)(hai)(hai)(hai)(hai)南(nan)(nan)島(dao)置珠崖(ya)、儋(dan)耳二(er)郡(jun),領 16 縣(xian)(xian)(xian)(xian)(xian),海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)地(di)(di)(di)屬(shu)(shu)珠崖(ya)郡(jun)玳瑁縣(xian)(xian)(xian)(xian)(xian)。 兩郡(jun)裁撤后海(hai)(hai)(hai)(hai)(hai)(hai)南(nan)(nan)建置時設(she)時廢,至(zhi)梁朝大同(tong)年(nian)(nian)(nian)(nian)間 (535~545 年(nian)(nian)(nian)(nian)) 在儋(dan)耳郡(jun)廢地(di)(di)(di)置崖(ya)州(zhou),海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)地(di)(di)(di)屬(shu)(shu)崖(ya)州(zhou)。唐貞觀元年(nian)(nian)(nian)(nian) (627 年(nian)(nian)(nian)(nian)) 屬(shu)(shu)瓊(qiong)山(shan)(shan)(shan)縣(xian)(xian)(xian)(xian)(xian)。宋(song)神宗(zong)熙寧四年(nian)(nian)(nian)(nian) (1071 年(nian)(nian)(nian)(nian)) 稱海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)浦,意為(wei)南(nan)(nan)渡江入(ru)海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)處的(de)一塊(kuai)浦灘之地(di)(di)(di),“海(hai)(hai)(hai)(hai)(hai)(hai) 口(kou)(kou) ”一 名始于此 。 明洪武三(san)年(nian)(nian)(nian)(nian)(1374 年(nian)(nian)(nian)(nian)) 稱海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)都(dou)。元明清三(san)代至(zhi)民國初(chu)(chu)期,海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)未有建制,地(di)(di)(di)屬(shu)(shu)瓊(qiong)山(shan)(shan)(shan)縣(xian)(xian)(xian)(xian)(xian)。1912 年(nian)(nian)(nian)(nian),海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)地(di)(di)(di)屬(shu)(shu)瓊(qiong)山(shan)(shan)(shan)縣(xian)(xian)(xian)(xian)(xian),稱海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)所。1926 年(nian)(nian)(nian)(nian) 12 月(yue) 9 日(ri),海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)從瓊(qiong)山(shan)(shan)(shan)縣(xian)(xian)(xian)(xian)(xian)分出設(she)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi) (縣(xian)(xian)(xian)(xian)(xian)級(ji)(ji)(ji)),稱海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)政(zheng)廳,屬(shu)(shu)廣(guang)(guang)東(dong)省(sheng)(sheng)(sheng)。1929 年(nian)(nian)(nian)(nian) 8 月(yue),改為(wei) 市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)政(zheng)局(ju)。1931 年(nian)(nian)(nian)(nian) 2 月(yue),復隸瓊(qiong)山(shan)(shan)(shan)縣(xian)(xian)(xian)(xian)(xian),海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)為(wei)瓊(qiong)山(shan)(shan)(shan)縣(xian)(xian)(xian)(xian)(xian)第十一區(qu)。1942 年(nian)(nian)(nian)(nian)初(chu)(chu),日(ri)軍(jun)改海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)為(wei)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),設(she)“海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)政(zheng)府”。1945 年(nian)(nian)(nian)(nian) 8 月(yue),日(ri)軍(jun)戰敗投降,海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)自行廢止,重隸瓊(qiong)山(shan)(shan)(shan)縣(xian)(xian)(xian)(xian)(xian),設(she)海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)八鄉鎮聯防辦事處。1949 年(nian)(nian)(nian)(nian),成(cheng)立(li)國民政(zheng)府海(hai)(hai)(hai)(hai)(hai)(hai)南(nan)(nan)特(te)區(qu)行政(zheng)長官(guan)公署,設(she)海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)政(zheng)籌備處。1950 年(nian)(nian)(nian)(nian) 4 月(yue) 23 日(ri),海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)解放,市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)政(zheng)籌 備處消亡。 1950年(nian)(nian)(nian)(nian) 6 月(yue) 1 日(ri),成(cheng)立(li)海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)人民政(zheng)府,為(wei)廣(guang)(guang)東(dong)省(sheng)(sheng)(sheng)轄市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi) (地(di)(di)(di)級(ji)(ji)(ji))。1958 年(nian)(nian)(nian)(nian) 12 月(yue),瓊(qiong)山(shan)(shan)(shan)縣(xian)(xian)(xian)(xian)(xian)并(bing)入(ru)海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi);1959 年(nian)(nian)(nian)(nian) 10 月(yue),瓊(qiong)山(shan)(shan)(shan)縣(xian)(xian)(xian)(xian)(xian)恢復,海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)改為(wei)縣(xian)(xian)(xian)(xian)(xian)級(ji)(ji)(ji)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)。1975 年(nian)(nian)(nian)(nian) 11 月(yue) 22 日(ri),升(sheng)為(wei)廣(guang)(guang)東(dong)省(sheng)(sheng)(sheng)地(di)(di)(di)級(ji)(ji)(ji)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi);1983 年(nian)(nian)(nian)(nian)降為(wei)縣(xian)(xian)(xian)(xian)(xian)級(ji)(ji)(ji)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)。1986 年(nian)(nian)(nian)(nian) 5 月(yue) 31 日(ri),國務(wu)院批(pi)準(zhun)升(sheng)為(wei)廣(guang)(guang)東(dong)省(sheng)(sheng)(sheng)轄地(di)(di)(di)級(ji)(ji)(ji)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)。1988 年(nian)(nian)(nian)(nian) 4 月(yue) 13 日(ri),設(she)立(li)海(hai)(hai)(hai)(hai)(hai)(hai)南(nan)(nan)省(sheng)(sheng)(sheng),海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)定(ding)為(wei)海(hai)(hai)(hai)(hai)(hai)(hai)南(nan)(nan)省(sheng)(sheng)(sheng)省(sheng)(sheng)(sheng)會。1990 年(nian)(nian)(nian)(nian) 11 月(yue),經民政(zheng)部批(pi)準(zhun),設(she)立(li)振東(dong)、新(xin)華(hua)(hua) 、 秀(xiu)英3個市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)轄區(qu)(縣(xian)(xian)(xian)(xian)(xian)級(ji)(ji)(ji))。2002 年(nian)(nian)(nian)(nian) 10 月(yue) 16 日(ri),經國務(wu)院批(pi)準(zhun),撤銷瓊(qiong)山(shan)(shan)(shan)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)和海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)秀(xiu)英區(qu)、新(xin)華(hua)(hua)區(qu)、振東(dong)區(qu),以原瓊(qiong)山(shan)(shan)(shan)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)和海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)原秀(xiu)英區(qu)、新(xin)華(hua)(hua)區(qu)、振東(dong)區(qu)的(de)行政(zheng)區(qu)域組成(cheng)新(xin)海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),設(she)立(li)秀(xiu)英、龍華(hua)(hua)、瓊(qiong)山(shan)(shan)(shan)、美(mei)蘭 4 區(qu)個市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)轄區(qu) (縣(xian)(xian)(xian)(xian)(xian)級(ji)(ji)(ji)),海(hai)(hai)(hai)(hai)(hai)(hai)口(kou)(kou)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)發展翻開(kai)了新(xin)的(de)一頁。
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