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Fishing on a lake

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Exercise 2
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Production of stocking material

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Stocking inland waters

Tomorrow I will bring the fish from the stocking centremf830f5f44d042f59_1527664172190_0stocking centre and carry out the stocking of the lakesmf830f5f44d042f59_1527664632098_0stocking of the lakes.
- Which lakes will we be stocking and with what species?
- We will stock those tanks in which we caught spawners during the spawning season. We will consider stocking as a complement to natural reproduction.
This is permanent restockingmf830f5f44d042f59_1527664646233_0permanent restocking. We also use them in fish species that do not have conditions for reproductionmf830f5f44d042f59_1527665248917_0conditions for reproduction. Some reservoirs do not have a coastal zone and are characterised by good food conditions. Such tanks should be treated as a regrowth pond and stocking materialmf830f5f44d042f59_1527665261983_0stocking material should be placed in them. We also stock with species that do not spawn in our waters, e.g. eel.
- The anglers will be happy.
- Yes, we periodically stockmf830f5f44d042f59_1527665402607_0periodically stock the lakes that are overexploitedmf830f5f44d042f59_1527665551521_0overexploited by anglers in order to restore the overfished species. We stock with endangered speciesmf830f5f44d042f59_1527666073814_0endangered species or introduce new species.
- Can you introduce new species of fish to lakes?
- Restocking of foreign species is prohibited without obtaining the appropriate permit. Our farm, as authorised for fishingmf830f5f44d042f59_1527666097212_0authorised for fishing, has a permit to stockmf830f5f44d042f59_1527666112699_0permit to stock with new species. Before the stocking, we carry out an accurate identification of the natural conditionsmf830f5f44d042f59_1527666127612_0natural conditions of the lake. The typing of lakesmf830f5f44d042f59_1527666140763_0typing of lakes for stocking makes it easier to divide lakes into fishing types. Every year, we check the population statusmf830f5f44d042f59_1527666155571_0population status of a given species and decide whether to end or continue stocking.
Based on the survival rate and the number of fish planned to be harvested from the lake, we calculate the amount of stocking material. When designing stocking, one should remember about fish species, whose common development in one tank does not yield a successful economic results. For example, do not stock the same lake with pike and zander. After stocking, please fill in the stocking protocolmf830f5f44d042f59_1527666174710_0stocking protocol.

Exercise 4
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Fishing melioration in inland waters

- Please, prepare fishing meliorationmf830f5f44d042f59_1527670252897_0fishing melioration in our lakes this year.
- What does melioration consists in?
- Fishing meliorations is aimed at improving the conditions of themf830f5f44d042f59_1527670276543_0conditions of the fish habitatmf830f5f44d042f59_1527670276543_0habitat and affects the number of fish in lakes. They also improve the conditions for harvesting fish from lakes.
- What treatments should I do?
- Begin by fighting the excess of emerged vegetation. It causes overgrowing and mudding of shallower coastal lots and shallowing of lakesmf830f5f44d042f59_1527670327858_0shallowing of lakes. The living conditions of the spawn and the feeding conditionsmf830f5f44d042f59_1527670340042_0feeding conditions for hatching and fry deteriorate. With the compact occurrence of plants, the coastal parts of the lakemf830f5f44d042f59_1527670522989_0coastal parts of the lake become completely inaccessible to fish. In addition, such vegetation is a serious obstacle to the use of appropriate fishing gear. By cutting out the vegetation, we will prevent overgrowing of the shores of the lakemf830f5f44d042f59_1527670828629_0overgrowing of the shores of the lake. We will maintain spawning grounds and feeding grounds in the coastal zone. We will also obtain places for inserting fishing equipment and fishing using net tools.
At the lake, we will build small ponds for natural fish spawning. We will spawn several species. We will start with a pike, then a zander and a bream, and finally we will spawn the tench. You just have to make sure that the ponds have a direct outflow of water to the lake. Hatched fish will flow to the lake freely.
For those fish that spawn themselves in our lakes, we will prepare artificial spawning groundsmf830f5f44d042f59_1527671001554_0artificial spawning grounds. We will make egg collectorsmf830f5f44d042f59_1527671133114_0egg collectors at the bottom and suspended spawning groundsmf830f5f44d042f59_1527671147374_0suspended spawning grounds. We will prepare egg collectors from plant bedding and coniferous branches. Please make the suspended spawning grounds from the branches of spruce and wicker. We can make floating spawning groundsmf830f5f44d042f59_1527671786391_0floating spawning grounds.
By creating additional and appropriate substrates for natural spawning, we will increase fish reproduction and thus increase the yield of the lakemf830f5f44d042f59_1527671804687_0yield of the lake.

Exercise 5
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Fishing types of lakes

The Director of the Water Management Board announces a tender for the following fishing districts offered up for fishing usemf830f5f44d042f59_1527672995086_0fishing use:
1. Lake Wielkie in the Warta river catchmentmf830f5f44d042f59_1527673023048_0river catchment. It is a vendace‑type lakemf830f5f44d042f59_1527666140763_0vendace‑type lake with an average depth of over 20 m. The thermal system of the lake is stabilized. In the abyssal zonemf830f5f44d042f59_1527673095928_0abyssal zone, hard bottommf830f5f44d042f59_1527673107974_0hard bottom, sandy coastal parts. Characteristic species composition of the fish: vendace, whitefish, roach, bream, perch, eel, pike. The yield of the lake should be approx. 34 kg/ha.
2. Lake Małe in the Odra river catchment. It is a bream‑type lake with a depth of 12 m. The bottom in the bottom and coastal parts is covered with mud. The coastal zonemf830f5f44d042f59_1527673159671_0coastal zone is strongly developed. Characteristic composition of fish species: bream, tench, roach, rudd. The yield of the lakemf830f5f44d042f59_1527671804687_0yield of the lake should be 34 kg/ha.
3. Lake Średnie in the Warta river catchment. It is a zander‑type lake with a depth of 6 m to 12 m. The emerged vegetationmf830f5f44d042f59_1527673189833_0emerged vegetation is very strongly developed, especially the reed. The water of the lake is poorly transparent. The submerged vegetationmf830f5f44d042f59_1527673219179_0submerged vegetation is poor. A characteristic composition of fish species: bream, tench, zander, eel. The lake's productivity is high, with a full development it should reach 38 kg/ha.
4. Lake Głębokie in the Warta river catchment. It is a tench‑pike lake with a depth of up to 6 m. The bottommf830f5f44d042f59_1527673236293_0bottom is very muddymf830f5f44d042f59_1527673236293_0muddy. Vegetation emerged and submerged is developed very strongly. The lake heats up quickly. From May to November, the water temperature at the bottom does not fall below 10 degrees Celsius. Lake yield up to 40 kg/ha.
5. Lake Długie in the Warta river catchment. The fishing districtmf830f5f44d042f59_1527673250295_0fishing district covers 35 ha of water. It is a crucian‑type lakemf830f5f44d042f59_1527673326235_0crucian‑type lake. The lake is shallowmf830f5f44d042f59_1527670327858_0shallow, overgrown, with silted and peaty bottom. In winter, oxygen ismf830f5f44d042f59_1527673377236_0oxygen is often lackingmf830f5f44d042f59_1527673377236_0lacking. The fish stock mainly includes crucian. The yield of the lake should be 20 kg/ha.
Please prepare the offers in accordance to the instructions attached to the tender documentation

Exercise 6
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fishing using power generator

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Exercise 7
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Pictures

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Game

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Dictionary

mjhkm8j16f51376978c1_1498134jhkm8j_618
abyssal zone əˈbɪs.əl zəʊn
abyssal zone əˈbɪs.əl zəʊn

strefa głębinowa

m46khca16f51376978c1_149813446khca_925
anodic reaction aˈnɒdɪk riˈæk.ʃən
anodic reaction aˈnɒdɪk riˈæk.ʃən

reakcją anodową

m4i23g216f51376978c1_14981344i23g2_734
artificial spawning ground, artificial spawning grounds ˌɑː.tɪˈfɪʃ.əl ˈspɔː.nɪŋ ɡraʊnd
artificial spawning ground, artificial spawning grounds ˌɑː.tɪˈfɪʃ.əl ˈspɔː.nɪŋ ɡraʊnd

sztuczne tarliska

mi2dfkb16f51376978c1_1498134i2dfkb_529
authorised for fishing ˈɔː.θər.aɪz fər ˈfɪʃ.ɪŋ
authorised for fishing ˈɔː.θər.aɪz fər ˈfɪʃ.ɪŋ

uprawniony do rybactwa

m3ekjje16f51376978c1_14981343ekjje_357
coastal parts of the lake ˈkəʊ.stəl pɑːt əv ðə leɪk
coastal parts of the lake ˈkəʊ.stəl pɑːt əv ðə leɪk

przybrzeżne partie jeziora

mbcncam16f51376978c1_1498134bcncam_359
coastal zone ˈkəʊ.stəl zəʊn
coastal zone ˈkəʊ.stəl zəʊn

strefa przybrzeżna

mfeiggi16f51376978c1_1498134feiggi_724
conditions for reproduction kənˈdɪʃ·ənz fər ˌriː.prəˈdʌk.ʃən
conditions for reproduction kənˈdɪʃ·ənz fər ˌriː.prəˈdʌk.ʃən

warunki do rozrodu

mk8hmhm16f51376978c1_1498134k8hmhm_608
conditions of the habitat kənˈdɪʃ·ənz əv ðə ˈhæb.ɪ.tæt
conditions of the habitat kənˈdɪʃ·ənz əv ðə ˈhæb.ɪ.tæt

warunków środowiska

mnk3afg16f51376978c1_1498134nk3afg_293
crate with ice, crates with ice kreɪt wɪð aɪs
crate with ice, crates with ice kreɪt wɪð aɪs

skrzynki z lodem

mjmmnam16f51376978c1_1498134jmmnam_918
dead fish ded fɪʃ
dead fish ded fɪʃ

ryby śnięte

mc3cnj916f51376978c1_1498134c3cnj9_303
defense reaction dɪˈfens riˈæk.ʃən
defense reaction dɪˈfens riˈæk.ʃən

reakcja obronna

mnkhhhd16f51376978c1_1498134nkhhhd_726
electronarcosis zone ɪˌlɛktrəʊnɑːˈkəʊsɪs zəʊn
electronarcosis zone ɪˌlɛktrəʊnɑːˈkəʊsɪs zəʊn

strefa elektronarkozy

mjnj2fj16f51376978c1_1498134jnj2fj_681
electrotaxis ɪˌlɛktrəʊˈtaksɪs
electrotaxis ɪˌlɛktrəʊˈtaksɪs

elektrotaksja

mnagcae16f51376978c1_1498134nagcae_132
emerged vegetation ɪˈmɜːdʒ ˌvedʒ.ɪˈteɪ.ʃən
emerged vegetation ɪˈmɜːdʒ ˌvedʒ.ɪˈteɪ.ʃən

roślinność wynurzona

mg37ccc16f51376978c1_1498134g37ccc_472
endangered species ɪnˈdeɪn.dʒəd ˈspiː.ʃiːz
endangered species ɪnˈdeɪn.dʒəd ˈspiː.ʃiːz

gatunki zagrożone

m2hgehk16f51376978c1_14981342hgehk_586
feeding conditions ˈfiː.dɪŋ kənˈdɪʃ·ənz
feeding conditions ˈfiː.dɪŋ kənˈdɪʃ·ənz

warunki żerowiskowe

md7ffeg16f51376978c1_1498134d7ffeg_111
feeding ground, feeding grounds ˈfiː.dɪŋ ɡraʊnd
feeding ground, feeding grounds ˈfiː.dɪŋ ɡraʊnd

żerowiska

mh4i94a16f51376978c1_1498134h4i94a_893
fishing district, fishing districts ˈfɪʃ.ɪŋ ˈdɪs.trɪkt
fishing district, fishing districts ˈfɪʃ.ɪŋ ˈdɪs.trɪkt

obwód rybacki

mke3ea816f51376978c1_1498134ke3ea8_394
fishing melioration ˈfɪʃ.ɪŋ miːlɪəˈreɪʃən
fishing melioration ˈfɪʃ.ɪŋ miːlɪəˈreɪʃən

melioracje rybackie

ma9gjmh16f51376978c1_1498134a9gjmh_565
fishing protocol ˈfɪʃ.ɪŋ ˈprəʊ.tə.kɒl
fishing protocol ˈfɪʃ.ɪŋ ˈprəʊ.tə.kɒl

protokół połowu

mjbibgc16f51376978c1_1498134jbibgc_251
fishing set, fishing sets ˈfɪʃ.ɪŋ set
fishing set, fishing sets ˈfɪʃ.ɪŋ set

zestaw połowowy

mkbebjn16f51376978c1_1498134kbebjn_194
fishing use ˈfɪʃ.ɪŋ juːz
fishing use ˈfɪʃ.ɪŋ juːz

użytkowanie rybackie

mhgddkh16f51376978c1_1498134hgddkh_932
floating spawning ground, floating spawning grounds ˈfləʊ.tɪŋ ˈspɔː.nɪŋ ɡraʊnd
floating spawning ground, floating spawning grounds ˈfləʊ.tɪŋ ˈspɔː.nɪŋ ɡraʊnd

tarliska pływające

mn2die616f51376978c1_1498134n2die6_773
hard bottom hɑːd ˈbɒt.əm
hard bottom hɑːd ˈbɒt.əm

twarde dno

mn9j54h16f51376978c1_1498134n9j54h_348
hunting electrode (anode) ˈhʌn.tɪŋ ɪˈlek.trəʊd (ˈæn.əʊd)
hunting electrode (anode) ˈhʌn.tɪŋ ɪˈlek.trəʊd (ˈæn.əʊd)

elektroda łowna (anoda)

mbm2dg616f51376978c1_1498134bm2dg6_635
ice cover aɪs ˈkʌv.ər
ice cover aɪs ˈkʌv.ər

pokrywa lodowa

mddhdjg16f51376978c1_1498134ddhdjg_121
lack of oxygen læk əv ˈɒk.sɪ.dʒən
lack of oxygen læk əv ˈɒk.sɪ.dʒən

brak tlenu

m5ehfa216f51376978c1_14981345ehfa2_714
lake surface leɪk ˈsɜː.fɪs
lake surface leɪk ˈsɜː.fɪs

powierzchnia jeziora

mncfgbi16f51376978c1_1498134ncfgbi_969
lake types leɪk taɪps
lake types leɪk taɪps

typy jezior

mfh8ndf16f51376978c1_1498134fh8ndf_567
live fish lɪv fɪʃ
live fish lɪv fɪʃ

ryby żywe

mjacgkd16f51376978c1_1498134jacgkd_769
muddy bottom ˈmʌd.i ˈbɒt.əm
muddy bottom ˈmʌd.i ˈbɒt.əm

muliste dno

mdmcfji16f51376978c1_1498134dmcfji_931
natural conditions ˈnætʃ.ər.əl kənˈdɪʃ·ənz
natural conditions ˈnætʃ.ər.əl kənˈdɪʃ·ənz

warunki przyrodnicze jezior

m6af9dg16f51376978c1_14981346af9dg_462
negative electrode (cathode) ˈneɡ.ə.tɪv ɪˈlek.trəʊd (ˈkæθ.əʊd)
negative electrode (cathode) ˈneɡ.ə.tɪv ɪˈlek.trəʊd (ˈkæθ.əʊd)

elektroda ujemna (katoda)

mdnkhmn16f51376978c1_1498134dnkhmn_337
operation of the electric field ˌɒp.ərˈeɪ.ʃən əv ðə iˈlek.trɪk fiːld
operation of the electric field ˌɒp.ərˈeɪ.ʃən əv ðə iˈlek.trɪk fiːld

działanie pola elektrycznego

mc29kka16f51376978c1_1498134c29kka_141
overexploited lake, overexploited lakesˌəʊvərɪksˈplɔɪtɪd leɪk/ˌəʊvərɪksˈplɔɪtɪd leɪks
overexploited lake, overexploited lakesˌəʊvərɪksˈplɔɪtɪd leɪk/ˌəʊvərɪksˈplɔɪtɪd leɪks

jezioro wyeksploatowane

mcijk2c16f51376978c1_1498134cijk2c_754
overgrowing of the shores of the lake əʊvəˈɡrəʊ əv ðə ʃɔːr əv ðə leɪk
overgrowing of the shores of the lake əʊvəˈɡrəʊ əv ðə ʃɔːr əv ðə leɪk

zarastaniu brzegów jeziora

mbcjbeb16f51376978c1_1498134bcjbeb_213
periodical stocking ˌpɪə.riˈɒd.ɪ.kəl ˈstɒk.ɪŋ
periodical stocking ˌpɪə.riˈɒd.ɪ.kəl ˈstɒk.ɪŋ

zarybianie okresowe

mm9jak616f51376978c1_1498134m9jak6_746
permanent restocking ˈpɜː.mə.nənt ˌriːˈstɒk
permanent restocking ˈpɜː.mə.nənt ˌriːˈstɒk

zarybianie stałe

mgka7mb16f51376978c1_1498134gka7mb_988
permission for electrical fishing pəˈmɪʃ.ən fər iˈlek.trɪ.kəl ˈfɪʃ.ɪŋ
permission for electrical fishing pəˈmɪʃ.ən fər iˈlek.trɪ.kəl ˈfɪʃ.ɪŋ

pozwolenie na połowy elektryczne

mkkgh7716f51376978c1_1498134kkgh77_171
permission to catch pəˈmɪʃ.ən tʊ kætʃ
permission to catch pəˈmɪʃ.ən tʊ kætʃ

zezwolenie na odłowy

mckgc6716f51376978c1_1498134ckgc67_149
permit to stock pəˈmɪt tʊ stɒk
permit to stock pəˈmɪt tʊ stɒk

zezwolenie na zarybienie

mfkh8an16f51376978c1_1498134fkh8an_425
population status ˌpɒp.jəˈleɪ.ʃən ˈsteɪ.təs
population status ˌpɒp.jəˈleɪ.ʃən ˈsteɪ.təs

stan populacji

m8fafa816f51376978c1_14981348fafa8_647
river catchment, river catchments ˈrɪv.ər ˈkætʃ.mənt
river catchment, river catchments ˈrɪv.ər ˈkætʃ.mənt

zlewnia rzeki

mhhkm7m16f51376978c1_1498134hhkm7m_154
safety rules ˈseɪf.ti ruːl
safety rules ˈseɪf.ti ruːl

zasady bezpieczeństwa

m7d8nhh16f51376978c1_14981347d8nhh_681
set for electric fishing set fər iˈlek.trɪk ˈfɪʃ.ɪŋ
set for electric fishing set fər iˈlek.trɪk ˈfɪʃ.ɪŋ

zestaw do elektrycznych połowów ryb

mmem3gm16f51376978c1_1498134mem3gm_663
shallow lake ˈʃæl.əʊ leɪk
shallow lake ˈʃæl.əʊ leɪk

płytkie jezioro

m3cg8fm16f51376978c1_14981343cg8fm_866
shallowing of lakes ˈʃaləʊ əv leɪk
shallowing of lakes ˈʃaləʊ əv leɪk

spłycanie jezior

mc43fc416f51376978c1_1498134c43fc4_359
short‑term storage ʃɔːt‑tɜːm ˈstɔː.rɪdʒ
short‑term storage ʃɔːt‑tɜːm ˈstɔː.rɪdʒ

krótkotrwałe przechowywanie

mg4ae7m16f51376978c1_1498134g4ae7m_477
stocking centre, stocking centres ˈstɒk.ɪŋ ˈsen.tər
stocking centre, stocking centres ˈstɒk.ɪŋ ˈsen.tər

ośrodek zarybieniowy

mfim7gj16f51376978c1_1498134fim7gj_656
stocking material ˈstɒk.ɪŋ məˈtɪə.ri.əl
stocking material ˈstɒk.ɪŋ məˈtɪə.ri.əl

materiał zarybieniowy

m7dk5hm16f51376978c1_14981347dk5hm_492
stocking of the lakes ˈstɒk.ɪŋ əv ðə leɪk
stocking of the lakes ˈstɒk.ɪŋ əv ðə leɪk

zarybianie jezior

m4b7kce16f51376978c1_14981344b7kce_840
stocking protocol, stocking protocols ˈstɒk.ɪŋ ˈprəʊ.tə.kɒl
stocking protocol, stocking protocols ˈstɒk.ɪŋ ˈprəʊ.tə.kɒl

protokół zarybień

m7fe3ef16f51376978c1_14981347fe3ef_416
submerged vegetation səbˈmɜːdʒ ˌvedʒ.ɪˈteɪ.ʃən
submerged vegetation səbˈmɜːdʒ ˌvedʒ.ɪˈteɪ.ʃən

roślinność zanurzona

mb468km16f51376978c1_1498134b468km_786
suspended spawning ground, suspended spawning grounds səˈspend ˈspɔː.nɪŋ ɡraʊnd
suspended spawning ground, suspended spawning grounds səˈspend ˈspɔː.nɪŋ ɡraʊnd

tarliska zawieszone

m9gdeik16f51376978c1_14981349gdeik_674
turning off the voltage ˈtɜː.nɪŋ ɒf ðə ˈvɒl.tɪdʒ
turning off the voltage ˈtɜː.nɪŋ ɒf ðə ˈvɒl.tɪdʒ

wyłączenie napięcia

m3f98mf16f51376978c1_14981343f98mf_199
typing of lakes ˈtaɪ.pɪŋ əv leɪk
typing of lakes ˈtaɪ.pɪŋ əv leɪk

typowanie jezior

m9dbg8g16f51376978c1_14981349dbg8g_778
water column ˈwɔː.tər ˈkɒl.əm
water column ˈwɔː.tər ˈkɒl.əm

toń wodna

mjgkmi216f51376978c1_1498134jgkmi2_984
yield of the lake jiːld əv ðə leɪk
yield of the lake jiːld əv ðə leɪk

wydajność jeziora