Grass irin kifi: kifi-tsabtace

A cikin ruwan kasar, akwai mutane da yawa kasuwanci kifi da kifi da suke da m tattalin arziki muhimmanci. A karshen ya shafi irin kifi. Wannan kifi taka muhimmiyar rawa a cikin rigakafin cututtuka waxanda ake daukar kwayar cutar ta hanyar da transmissible (idan sauro cizon) a sanyaya makamashin nukiliya turbines da kuma sauran matakai.

Me ya sa haka? Bari mu gano game da wannan ban mamaki mazauni na Rasha kõguna more. Yana gida East Asia, inda shi ne tartsatsi a cikin Amur River da waɗansu kõguna na dukan na kasar Sin da kuma kewaye ƙasashe. Ya kamata a lura da cewa a kasar mu, ya ba hadu har da 60-ies karni na karshe, a lokacin da wani babban consignment na kifi aka kawo Tarayyar Soviet ga manufar su acclimatization.

The musamman da suka bambanta wannan ba a cikin gaskiyar da nasara acclimatization, kamar yadda irin wannan misalai za a iya samu quite 'yan, amma a gaskiyar cewa hali na rajistan shiga-irin kifi ba kawai ba ya haifar da a ke so muhalli sakamakon (wanda ya faru sau da yawa), amma kuma ga undoubted amfani. Bayan duk, irin kifi - kifi ne m ba kawai daga cikin kasuwanci ra'ayi (kuma tare da wani nauyi zuwa 35 kg, shi ne bayyananne), amma kuma daga ra'ayi na kasuwanci, saboda wata rana da wannan "ruwa tare saniya" ci gwargwadon ciyawa kamar yadda ta Tã yi! A musamman, mazauna jihar bakin teku kauyuka a cikin bazara da kaka ana ciyar da su himma makwabta, amai a cikin ruwa da ciyawa cuttings.

Irin wannan so a cikin cin abinci na cikin ruwa da ciyayi ba zai iya zama sha'awar ikon aikin injiniya, wanda sun dade da aka fuskanci matsalar siltation tafkunan-Coolers da overgrowing su wata babbar adadin sharar gida da ruwa. Musamman a cikin wannan girmamawa, shi annoys elodea, lemun tsami da cewa "doka" hanyoyi kusan ba zai yiwu. Amma kifi irin kifi Elodie ƙaunar da kuma gaba daya warware matsalar, da yawa zuwa hutu muhalli: shi dasa shi a cikin lokaci da aka shigo da daga Canada, kuma shi ne daidai da wannan, "migrant".

Ya kamata a jaddada cewa, wannan wakilin ruwa tare fauna a cikin ruwan ba spawn, don haka da cewa goyon baya na yawan al'ummarta ne gaba ɗaya da alhakin musamman tsara kifi gonaki, wanda ake shekara samar a cikin tafkunan kasar mu dubban irin kifi toya kuma larvae. Af, shi ya dubi kamar wannan ban mamaki kifi?

Kamar yadda muka ce, ciyawa irin kifi, a photo wanda za ka iya gani a wannan labarin, shi ne wani babban kifi, da tsawon wanda zai iya da kyau isa 120 santimita. Halin da wani elongated, flattened laterally jiki, wanda aka rufe da manyan ma'auni. A ta size ce akalla cewa a duk na kaikaice layi na kifi da ba fiye da 50 ma'auni.

Idan ka shirya ziyarci kandami, inda saba irin kifi (kifi, ta hanyar, m) don dalili na kama kifi, ka tuna cewa ka yi wannan a wani lokaci zai yi aiki ba. Gaskiyar cewa irin kifi ne musamman picky cin da ba kai har ma da mafi riya koto muddin tafki akwai na cikin ruwa ciyayi. A wasu kalmomin, da kama ya zama a farkon spring da kuma marigayi kaka, lokacin da ya forage zama gaske sharri. Kifi wannan taƙawa, sabõda haka, a lokacin da wani kifi tafiya muna bada shawara mai karfi, ba ku yin amo.

Saboda haka muka koyi cewa wanda yake da wannan ciyawa irin kifi: kifi, ba tare da wanda da yawa na gudãna a kasar mu iya sosai overgrown ciyawa.