Mene ne depopulation?

Tare da mutane yana daukan sanya wannan a matsayin cewa kowane mai-rai kwayoyin dabam. Sun bayyana, halittu farfadowa da bace, kazalika da kowane raba wakilin mutane. Wadannan matakai da sha'awar a daya daga cikin kimiyyar yanayin halitta - demography. Daya daga cikin alƙaluma da matakai da muka kasance sha'awar a cikin wannan muhawara, domin ta bayyananen zama fili a cikin wasu kasashe. Kuma wannan tsari - depopulation.

Mene ne depopulation, da yanayi da kuma haddasawa, kazalika da sauran facts ban sha'awa mana a matsayin ba ruwanta da al'adar mutane, bari mu yi la'akari a cikin wannan labarin.

A nadi na ajalin

Saboda haka, za mu ci gaba da main, abin da muka kasance faruwa yi fitar a yanzu. Saboda haka depopulation - shi ne don rage yawan mutane a cikin wani musamman kasar ko musamman ƙasa, dalilin da, a lokacin da dauke a matsayin dukan da aka rage na haifuwa.

A nadi na da Kalmar "depopulation" a fili aro daga wasu harsuna, aka gani a cikin karni na ƙarshe, amma a farkon kimiyya ayyukan da aka kasaftawa irin wannan abu, bayan duk, da kafofin da aka samu: .. A lokaci da aka buga da Faransa masu bincike, da abin ya shafa game da irin wannan tafiyar matakai a cikin kasar.

Sai kawai daya daga cikin ayyukan da XIX karni (French Larousse Encyclopedia) dauke da irin wannan kalma «depopulation», samu daga «depeupler». Kayyade wani biyu a zahiri a fassara a matsayin "don kawar da ƙasa na mazauna," "rage yawan na Abuja." Fassara ta munasaba a wani free form, wadda za ta kai mu ga ƙarshe - ajalin tsaye ga "depopulation".

Lura da cewa wannan "depopulation" da ke cikin zuciyarsa ta hanyar jerin catastrophic events da kuma dakushe haihuwa.

Depopulation da tsufa da al'umma

Depopulation bayyana, a gaskiya cewa kowane m ne tsara numerically karami fiye da na baya. Next zuwa wannan ra'ayi (ga cikawa na bayanai a kan alƙaluma da tsari) kamata, a cikin ra'ayi, to ka ambaci abin da ake kira tsufa na al'umma. Wannan shi ne kawai daya daga cikin jam'iyyun, wanda a cikin sa cikin depopulation bayyana.

Kamar yadda subtotal taƙaita. Yanzu mun san cewa wannan depopulation, kuma ko da tare da sabon, watakila da Kalmar "tsufa na al'umma." Kamar dukan alƙaluma matakai a depopulation suna da nasu dalilan.

shaida

Bari mu bincika babban fasali na depopulation. A gaskiya, mun rephrase abin da aka ce a sama. Saboda haka ãyõyin depopulation - shi ne:

• rage a cikin yawan (mafi musamman - kamar yadda sakamakon ya karu mace-mace).
• wani sabon ƙarni na quantitatively ƙananan fiye da na baya.

Gaba, za mu ci gaba da shiga cikin wani topic da cewa shi ne depopulation da abin da tambayoyi wa bi ta.

Depopulation: Sanadin

Kamar yadda muka riga sani, depopulation - raguwa a yawan. Wannan tsari yana da irin dalilai kamar:

• wuce haddi da mace-mace haihuwa.
• War - ya kasance kullum a game da mummunan batu, bayan da yawan jama'ar kasar na dogon lokaci murmurewa.
• aiki ƙaura (tuna cewa ƙaura - barin kasar domin dindindin zama, domin aikin, da kuma wasu motsi haddasawa).
• Annobar - hali na da tarihi epochs a cikin ci gaban da magani da cewa ba ya dauke da yaduwar miyagun cututtuka.
• sauran halitta da kuma mutum ya bala'i, a sakamakon wanda rasa wani gwaji na yawan jama'a.

Depopulation - a alƙaluma da matsalar da za a warware ba daya da shekaru goma. Ta tsunduma a jihar (a wasu lokuta - duniya) matakin.

Musamman lokuta da yawan declines

Mun gani cikin tsarin rubutu depopulation Concepts da kuma siffofin da tsari. Duk da haka, tarihi ya azurta mu da misalai inda raguwa a yawan na yawan ko wani yanki da shi ba a dauke su depopulation.

Yana hada da sakamako na irin abubuwan da ya irin haka ne, abin da sauri tsaya a nan ba, da kuma yawan karuwa a sake. Saboda haka, za mu tuna da cewa WWII da'awar rayuwar miliyan 27 mazaunan Tarayyar Soviet. Duk da haka, bayan da yaki, akwai wani m karuwa a yawan jama'a, kuma yana da a kan shekaru 11 na pre-yaki Figures aka cimma.

The matakai hade da hijirarsa, sau da yawa ana ba ta rufe nadi na depopulation. Wannan ya faru saboda al'ada rates zama da na halitta yawan girma a cikin wadannan yankunan. Shi ne kawai ya dace da takamaiman kasashen.

Similar misalai zai iya bauta wa da mu zuwa Ireland. A farkon karni XX akwai halved da yawan mutane, tun da shi ne a lokacin da sababbu hijirarsa zuwa Amurka. A wannan yanayin, duk da haihuwa kudi a tsibirin ne mai babbar mace-mace kudi.

The yawan jama'a da kuma jihar: da mafita daga matsalolin da na depopulation

Matsalar rage yawan na kasar ne dauke ba kawai cikin sharuddan demography. Daga farkon sosai ta yin karatu a fannin siyasa, da jama'a Figures.

Depopulation dauke a matsayin kasa bala'i. Ko a lokacin da baƙi daga wasu ƙasashe rama quantitatively ragewa gida yawan, shi ya zauna a kalubale.

A jihar matakin, shawo kan matsalar depopulation manufofin da nufin kyautata yanayi na haihuwa. Ana rinjayar kiwon lafiya, da kuma zamantakewa da shirye-shirye, da kuma sauran rai yanayi. Dalilin wadannan shirye-shirye - sabuntawa na al'ada kudi na haifuwa, na yawan jama'ar.

depopulation na yawan jama'a a Rasha

A karshe 'yan shekarun da suka gabata, Rasha na fuskantar wata babbar matsala da depopulation. Gudummawar da wannan dama dalilai, duka biyu tattalin arziki da zamantakewa. A general, mun gani a Trend zuwa impoverishment na mutane, a game da mummunan rage a cikin halin rayuwa. Sakamako - low haihuwa kudi, high mace-mace kudi.

Depopulation a Rasha zama gaske batun. Dakushe yawan kaiwa zuwa wani tabarbarewar halin da ake ciki tare da sauran duniyoyin da harkokin rayuwar jama'a, daga wannan tattalin arziki zuwa kimiyya, soja da kuma wasu. Tambaya Magani samar da cikakken matakan a kan wani ɓangare na shugabannin.

Ta hanyar da batun na depopulation, kuma mun zo da wani - matsalar da degeneration na al'umma. Wannan shi ne yanayin lokacin da kasar ta 'yan asalin yawan mace-mace da aka biya diyya da sabon isa yawan jama'a. Domin Rasha, wannan matsala ne kuma dacewa kamar yadda abada. Rasha mace-mace karfi da girma, da kuma yawan jama'a ne fadowa cikin sauri daga shekara zuwa shekara.

ƙarshe

A wannan labarin, za mu yi kokarin m kimiyya gefe kamar yadda zai yiwu mu haskaka da batun cewa shi ne depopulation. C wannan dalili aka haskaka ma'anar da kalmar da ta asali, kazalika da cututtuka da kuma Sanadin wannan alƙaluma da tsari. Actual darajar wani tsari dangantawa da depopulation, - tsufa daga cikin al'umma, wanda shi ne daya daga cikin matakai ne na depopulation.

Koyawar kamar haka: depopulation - raguwa a yawan saboda ragewa haihuwa da kuma kara mace-mace. Wasu dalilai, kamar bala'o'i, yaki, cuta, kuma zai shafi yawan mutane, duk da haka, ba ko da yaushe kamar yadda gane da sakamakon depopulation. Kalmar da aka buga a cikin yin amfani da alƙaluma da bincike da Faransa masana kimiyya.

Ga kasa da depopulation tsari - shi ne mai matsala na kasa hali. Yana samo asali a Rasha, zama daya daga cikin na farko. Warware yawan matsala a jihar matakin da samar da yanayi domin baiwa zaman majalisar na yawan - kiwon da haihuwa kudi.