О е. X o ‘j a n a z a r o V, М. M ir s o V u r o V, Т. N o r b o b o y e V a ekologiya va barqaror taraqqiyot ta’limi

stage.
Compare:A 
determinant.
Drenaj [ing. 
udra in ”-
quritish] - ortiqcha namlangan yerlami 
suvni maxsus zovur va yer osti quvurlari-drenalar yordamida 
boshqa joyga oqizish yo'li bilan quritish usuli.
Drain - method of water desaturation from the overwetted soils 
by removal o f surface and underground watters with the help of 
special ditches and underground tubes-drains.
Zaharli chiqindilar - o 'z tarkibida tirik organizmlami 
zaharlovchi moddalarga ega chiqindilar.
Toxic wastes — wastes containing substances that poison an 
organism.
Introduktsiya [lot. “
i n t r o d u c t i o n
kirish] - hayvon va 
o' siinliklaming tabiiy arealdan tashqarida tarqalishi. Qar. 
Iqlimga 
moslashish.
Introduction [latin “
introduction ”
- introducing] - spreading of 
animals and plants outside the borders o f natural areal See 
Acclimatization.
Ifloslantirish 
manbasi 
-
1) 
ifloslantiruvchi 
moddani 
atmosferaga tashlash nuqtasi; 2) ifloslantiruvchi moddani ishlab 
chiqarayotgan xo'jalik yoki tabiiy obektlar (qar.
ifloslantiruvchi)
; 
3) kirib kelayotgan ifloslantiruvchi moddani tarqatayotgan 
hudud.
Source of pollution - 1) a point of the pollutantdischarge; 2) 
economic or natural object manufacturing the pollutant (see 
contaminant)',
3) region where a pollutant comes from.
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EKOLOGIYA
"Y irtqich-o'lja" (tizim) - yirtqich bilan o'ljani o'zaro bog'liqligi, 
bunda evolutsion tarzda ikkala tomon ham yutadi: yirtqichlar 
ozuqa manbasiga ega bo'ladi, o'ljaning esa populyatsiyasi 
sog'lomlashadi. Y. - o'.tizimi - tabiatning o'zini-o'zi tartibga 
solish shakllaridan biridir.
' ’ Predator-victim ’’(system) - interrelations between a predator 
and a victim in result o f which both benefit evolutionary: the 
predators have food, the population of victims are sanitated by 
predators . A system P.v. is one of the forms of self regulation in 
wild nature.
Yo'qolib borayotgan tu r - yo'q bo'lib ketish xavfi ostida turgan 
va agar bu tahdidga sabab bo'layotgan omillar bartaraf qilinmasa, 
saqlab qolinish imkoniyati bo’lmaydigan tur yoki boshqa 
toksonomik birlik.
Threatened species — species or other taxonomic unit which is 
under a threat of diminishing or survival of which is impossible 
unless the threat causing factors are eliminated.
K anserogenlar [lot.