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Biological invasions. Unavoidable and useful? | Sergej Olenin | TEDxKlaipėda


[Applause]

[Applause] so this creature which crawl so that the

so this creature which crawl so that the

so this creature which crawl so that the screen is not an alien from the outer

screen is not an alien from the outer

screen is not an alien from the outer space this is just a tiny water flea

space this is just a tiny water flea

space this is just a tiny water flea transferred from the Caspian Sea in

transferred from the Caspian Sea in

transferred from the Caspian Sea in ballast water to the Baltic it’s quite

ballast water to the Baltic it’s quite

ballast water to the Baltic it’s quite as it has kind of a small border just

as it has kind of a small border just

as it has kind of a small border just two millimeters but the tail is long

two millimeters but the tail is long

two millimeters but the tail is long it’s about one sinan centimetres when

it’s about one sinan centimetres when

it’s about one sinan centimetres when millions of such creatures appear in the

millions of such creatures appear in the

millions of such creatures appear in the water they in mesh by their tails are

water they in mesh by their tails are

water they in mesh by their tails are forming cotton like lamps which cloak

forming cotton like lamps which cloak

forming cotton like lamps which cloak fishery nets and the fishermen instead

fishery nets and the fishermen instead

fishery nets and the fishermen instead of catching fish they are supposed to

of catching fish they are supposed to

of catching fish they are supposed to clean their nets this is example of one

clean their nets this is example of one

clean their nets this is example of one of the biological invasions which a

of the biological invasions which a

of the biological invasions which a phenomenon which interests me as a

phenomenon which interests me as a

phenomenon which interests me as a researcher for many recent years the

researcher for many recent years the

researcher for many recent years the biological invasions in a broad sense is

biological invasions in a broad sense is

biological invasions in a broad sense is a movement of organisms to areas where

a movement of organisms to areas where

a movement of organisms to areas where they did not previously occur beyond the

they did not previously occur beyond the

they did not previously occur beyond the limits for many year millions of years

limits for many year millions of years

limits for many year millions of years the continents were isolated one from an

the continents were isolated one from an

the continents were isolated one from an hour forming the amazing diversity and

hour forming the amazing diversity and

hour forming the amazing diversity and distinctive distribution of life which

distinctive distribution of life which

distinctive distribution of life which we call by geographical provinces in

we call by geographical provinces in

we call by geographical provinces in recent decades biological invasions are

recent decades biological invasions are

recent decades biological invasions are mostly caused by humans at an increasing

mostly caused by humans at an increasing

mostly caused by humans at an increasing rate they are changing they are moving

rate they are changing they are moving

rate they are changing they are moving species intentionally or unintentionally

species intentionally or unintentionally

species intentionally or unintentionally between continents and we are mixing the

between continents and we are mixing the

between continents and we are mixing the world’s living organisms like the is

world’s living organisms like the is

world’s living organisms like the is Chinese sweetened crop which was moved

Chinese sweetened crop which was moved

Chinese sweetened crop which was moved from China to Germany and spread all

from China to Germany and spread all

from China to Germany and spread all over Europe like the round goby which

over Europe like the round goby which

over Europe like the round goby which came to the Baltic Sea and the Great

came to the Baltic Sea and the Great

came to the Baltic Sea and the Great Lakes of North America from the from the

Lakes of North America from the from the

Lakes of North America from the from the Black Sea like the North American calm

Black Sea like the North American calm

Black Sea like the North American calm jelly which appeared in the Black Sea

jelly which appeared in the Black Sea

jelly which appeared in the Black Sea and the Caspian Sea and so on and so on

the human mediated invasions are one of

the human mediated invasions are one of the unavoidable consequences of the

the unavoidable consequences of the

the unavoidable consequences of the global change this is a snapshot of the

global change this is a snapshot of the

global change this is a snapshot of the marine traffic just one day of a marine

marine traffic just one day of a marine

marine traffic just one day of a marine traffic there you have see you can see

traffic there you have see you can see

traffic there you have see you can see the different types of American ships

the different types of American ships

the different types of American ships they are moving cargo and at the same

they are moving cargo and at the same

they are moving cargo and at the same time they are moving hundreds and

time they are moving hundreds and

time they are moving hundreds and thousands of tons of ballast water just

thousands of tons of ballast water just

thousands of tons of ballast water just amazing the size of Olympic swimming

amazing the size of Olympic swimming

amazing the size of Olympic swimming pool each ship is moving several tens

pool each ship is moving several tens

pool each ship is moving several tens sometimes hundreds of Olympic pools of

sometimes hundreds of Olympic pools of

sometimes hundreds of Olympic pools of water and this water the vast number of

water and this water the vast number of

water and this water the vast number of coastal organisms will be released will

coastal organisms will be released will

coastal organisms will be released will be taken in one port and released in an

be taken in one port and released in an

be taken in one port and released in an hour this is what is called ecological

hour this is what is called ecological

hour this is what is called ecological roulette because we cannot actually

roulette because we cannot actually

roulette because we cannot actually predict their which species will end up

predict their which species will end up

predict their which species will end up not only ships also trains airplanes and

not only ships also trains airplanes and

not only ships also trains airplanes and road transport are involved in the

road transport are involved in the

road transport are involved in the transportation of organisms for

transportation of organisms for

transportation of organisms for aquaculture life food trade talking of

aquaculture life food trade talking of

aquaculture life food trade talking of sport fish for garden food and so on and

sport fish for garden food and so on and

sport fish for garden food and so on and it is a growth in the world trade

it is a growth in the world trade

it is a growth in the world trade removal of custom barriers increased

removal of custom barriers increased

removal of custom barriers increased movement of people and anthropogenic

movement of people and anthropogenic

movement of people and anthropogenic change in the environment has what has

change in the environment has what has

change in the environment has what has led to change in geography of living

led to change in geography of living

led to change in geography of living species and invasion starts usually in

species and invasion starts usually in

species and invasion starts usually in the area where species is native then

the area where species is native then

the area where species is native then the organist get into a career with the

the organist get into a career with the

the organist get into a career with the ship or train or airplane and once they

ship or train or airplane and once they

ship or train or airplane and once they are being transported over the

are being transported over the

are being transported over the environmental barrier which maybe was

environmental barrier which maybe was

environmental barrier which maybe was space of the open ocean mountains

space of the open ocean mountains

space of the open ocean mountains deserts which we cannot overcome

deserts which we cannot overcome

deserts which we cannot overcome normally then a small part of its

normally then a small part of its

normally then a small part of its organisms survive the transportation and

organisms survive the transportation and

organisms survive the transportation and arrive to a new environment then if

arrive to a new environment then if

arrive to a new environment then if lucky some of them may settle here in

lucky some of them may settle here in

lucky some of them may settle here in survive then if

survive then if

survive then if additions are suitable there is enough

additions are suitable there is enough

additions are suitable there is enough food known as the enemy’s sufficient

food known as the enemy’s sufficient

food known as the enemy’s sufficient space for living a small part of the

space for living a small part of the

space for living a small part of the survivors may start to multiply and

survivors may start to multiply and

survivors may start to multiply and expand in a new invaded area this is how

expand in a new invaded area this is how

expand in a new invaded area this is how a biological invasion happens the impact

a biological invasion happens the impact

a biological invasion happens the impact of biological invasions of introduced

of biological invasions of introduced

of biological invasions of introduced invasive species sometimes are very

invasive species sometimes are very

invasive species sometimes are very serious an introduced pathogen can

serious an introduced pathogen can

serious an introduced pathogen can infect humans with a new disease and

infect humans with a new disease and

infect humans with a new disease and invasive species may serve as a

invasive species may serve as a

invasive species may serve as a secondary parasite host for a human for

secondary parasite host for a human for

secondary parasite host for a human for a human parasite and it’s some of them

a human parasite and it’s some of them

a human parasite and it’s some of them they can produce toxins which poison

they can produce toxins which poison

they can produce toxins which poison marine food there are also many examples

marine food there are also many examples

marine food there are also many examples of economic losses caused by biological

of economic losses caused by biological

of economic losses caused by biological invasions and this is at this picture

invasions and this is at this picture

invasions and this is at this picture you can see example from Ireland this

you can see example from Ireland this

you can see example from Ireland this sea squirt the I didn’t know Vic’s

sea squirt the I didn’t know Vic’s

sea squirt the I didn’t know Vic’s column from dense falling on the hull of

column from dense falling on the hull of

column from dense falling on the hull of the boat and this species is also known

the boat and this species is also known

the boat and this species is also known to cause serious problems to aquaculture

to cause serious problems to aquaculture

to cause serious problems to aquaculture because it’s overgrowth cultured mussels

because it’s overgrowth cultured mussels

because it’s overgrowth cultured mussels until now in spite of several decades of

until now in spite of several decades of

until now in spite of several decades of dedicated research it is impossible to

dedicated research it is impossible to

dedicated research it is impossible to predict the next biological invasions

predict the next biological invasions

predict the next biological invasions and it consequences in sixties Edward

and it consequences in sixties Edward

and it consequences in sixties Edward Lorenz a meteorologist mathematician and

Lorenz a meteorologist mathematician and

Lorenz a meteorologist mathematician and the pioneer of house theory he produced

the pioneer of house theory he produced

the pioneer of house theory he produced several few formulas which all outlive

several few formulas which all outlive

several few formulas which all outlive quite good accuracy to predict to

quite good accuracy to predict to

quite good accuracy to predict to predict atmospheric circulation and to

predict atmospheric circulation and to

predict atmospheric circulation and to predict they were for one or two years

predict they were for one or two years

predict they were for one or two years in beforehand the state of the virus

in beforehand the state of the virus

in beforehand the state of the virus systems can be estimated by a relatively

systems can be estimated by a relatively

systems can be estimated by a relatively small number of easily measured

small number of easily measured

small number of easily measured parameters such as air temperature

parameters such as air temperature

parameters such as air temperature speed of veins and direction for Vince

speed of veins and direction for Vince

speed of veins and direction for Vince community but when we are talking about

community but when we are talking about

community but when we are talking about biological invasions we are talking

biological invasions we are talking

biological invasions we are talking about an order of magnitude higher

about an order of magnitude higher

about an order of magnitude higher number of parameters which should be

number of parameters which should be

number of parameters which should be taken into account physical chemical

taken into account physical chemical

taken into account physical chemical biological even social economical so

biological even social economical so

biological even social economical so prediction of biological invasions and

prediction of biological invasions and

prediction of biological invasions and the risk they pose remains as a great

the risk they pose remains as a great

the risk they pose remains as a great challenge to science so this is why a

challenge to science so this is why a

challenge to science so this is why a precautionary approach is is recommended

precautionary approach is is recommended

precautionary approach is is recommended precautionary approach means prevention

precautionary approach means prevention

precautionary approach means prevention of any new specious arrival the United

of any new specious arrival the United

of any new specious arrival the United Nations International Maritime

Nations International Maritime

Nations International Maritime Organization designed the ballast water

Organization designed the ballast water

Organization designed the ballast water management convention which just entered

management convention which just entered

management convention which just entered into force few weeks ago and ballast

into force few weeks ago and ballast

into force few weeks ago and ballast water may be managed over exchanging the

water may be managed over exchanging the

water may be managed over exchanging the water at high sea or using the ballast

water at high sea or using the ballast

water at high sea or using the ballast water sterilization systems installed on

water sterilization systems installed on

water sterilization systems installed on ships in this convention is intended to

ships in this convention is intended to

ships in this convention is intended to prevent minimize and ultimately

prevent minimize and ultimately

prevent minimize and ultimately eliminate risks or associated with

eliminate risks or associated with

eliminate risks or associated with harmful organism transferred in ballast

harmful organism transferred in ballast

harmful organism transferred in ballast water

water

water well precaution approach may help avoid

well precaution approach may help avoid

well precaution approach may help avoid the risk but when talking about in the

the risk but when talking about in the

the risk but when talking about in the invasive species they should avoid

invasive species they should avoid

invasive species they should avoid militaristic lexicons many times the

militaristic lexicons many times the

militaristic lexicons many times the mass media in different languages

mass media in different languages

mass media in different languages presents invaded species as our enemies

presents invaded species as our enemies

presents invaded species as our enemies towards which we have to show zero

towards which we have to show zero

towards which we have to show zero tolerance insect well just read this

tolerance insect well just read this

tolerance insect well just read this these species don’t belong here they are

these species don’t belong here they are

these species don’t belong here they are plugging the landscape if untold

plugging the landscape if untold

plugging the landscape if untold economic and biodiversity INBOX we need

economic and biodiversity INBOX we need

economic and biodiversity INBOX we need to eradicate them whenever possible this

to eradicate them whenever possible this

to eradicate them whenever possible this is war

is war

is war such metaphors may have drawn attention

such metaphors may have drawn attention

such metaphors may have drawn attention to invasive species in the short term

to invasive species in the short term

to invasive species in the short term but ultimately of course they are

but ultimately of course they are

but ultimately of course they are inadequate provoking misleading

inadequate provoking misleading

inadequate provoking misleading perception of of the invasive species as

perception of of the invasive species as

perception of of the invasive species as a phenomenon a negative social resonance

a phenomenon a negative social resonance

a phenomenon a negative social resonance like a casino phobia so

like a casino phobia so

like a casino phobia so we must be more careful as they are not

we must be more careful as they are not

we must be more careful as they are not our enemies and in any case they cannot

our enemies and in any case they cannot

our enemies and in any case they cannot be in this war because it was it the

be in this war because it was it the

be in this war because it was it the devil once which transferred them from

devil once which transferred them from

devil once which transferred them from one continent to an hour so yeah the

one continent to an hour so yeah the

one continent to an hour so yeah the press needs to sell their newspapers of

press needs to sell their newspapers of

press needs to sell their newspapers of course but scientists need to state the

course but scientists need to state the

course but scientists need to state the reality and do not reinforce militarism

reality and do not reinforce militarism

reality and do not reinforce militarism and lose scientific credibility but what

and lose scientific credibility but what

and lose scientific credibility but what should we do if such species is already

should we do if such species is already

should we do if such species is already there and how can we get rid of it in

there and how can we get rid of it in

there and how can we get rid of it in most cases it is impossible to eliminate

most cases it is impossible to eliminate

most cases it is impossible to eliminate they cannot poison the coastal ecosystem

they cannot poison the coastal ecosystem

they cannot poison the coastal ecosystem of blow it up so let’s consider this

of blow it up so let’s consider this

of blow it up so let’s consider this invader from the castle from the Black

invader from the castle from the Black

invader from the castle from the Black Sea the round will be you know near

Sea the round will be you know near

Sea the round will be you know near globules villainous Domus it was

globules villainous Domus it was

globules villainous Domus it was introduced most probably the ballast

introduced most probably the ballast

introduced most probably the ballast water first appearing in the Baltic Sea

water first appearing in the Baltic Sea

water first appearing in the Baltic Sea in the in a gulf of dynasty in Poland

in the in a gulf of dynasty in Poland

in the in a gulf of dynasty in Poland and then spread to all countries around

and then spread to all countries around

and then spread to all countries around the Baltic Sea also to listen eeeh

the Baltic Sea also to listen eeeh

the Baltic Sea also to listen eeeh and now this is the most numerous most

and now this is the most numerous most

and now this is the most numerous most abundant species in our waters it

abundant species in our waters it

abundant species in our waters it because of these species now the number

because of these species now the number

because of these species now the number of local

of local

of local bottom-dwelling fishes declined very

bottom-dwelling fishes declined very

bottom-dwelling fishes declined very considerably and not only red you can

considerably and not only red you can

considerably and not only red you can see here at the upper video we can see

see here at the upper video we can see

see here at the upper video we can see what how the bottom looked like several

what how the bottom looked like several

what how the bottom looked like several years ago before invader came to our

years ago before invader came to our

years ago before invader came to our area you can see what all borders are

area you can see what all borders are

area you can see what all borders are densely covered by blue mussels which

densely covered by blue mussels which

densely covered by blue mussels which are filtering water cleaning it and are

are filtering water cleaning it and are

are filtering water cleaning it and are forming actually a very powerful natural

forming actually a very powerful natural

forming actually a very powerful natural bio filter after invasion now then the

bio filter after invasion now then the

bio filter after invasion now then the when DC hand with thousands of

when DC hand with thousands of

when DC hand with thousands of Rowen go beyond the bottom what you can

Rowen go beyond the bottom what you can

Rowen go beyond the bottom what you can see below this is it looks like the boat

see below this is it looks like the boat

see below this is it looks like the boat is the clean by somebody because wrong

is the clean by somebody because wrong

is the clean by somebody because wrong could be ate all the other muscles so

could be ate all the other muscles so

could be ate all the other muscles so can we do something about that well

can we do something about that well

can we do something about that well probably can try to control its

probably can try to control its

probably can try to control its abundance and this was done very

abundance and this was done very

abundance and this was done very successfully by local municipality in in

successfully by local municipality in in

successfully by local municipality in in palanga which they arranged round goby

palanga which they arranged round goby

palanga which they arranged round goby festival in palanga outside of the

festival in palanga outside of the

festival in palanga outside of the normal tourist season they managed to

normal tourist season they managed to

normal tourist season they managed to attract thousands of people hundreds of

attract thousands of people hundreds of

attract thousands of people hundreds of them there

them there

them there enthusiastically catching invader the

enthusiastically catching invader the

enthusiastically catching invader the invader trying to win the competition

invader trying to win the competition

invader trying to win the competition for the biggest catch and the catch was

for the biggest catch and the catch was

for the biggest catch and the catch was measured not by individual fishes and

measured not by individual fishes and

measured not by individual fishes and not even by 8 it was measured in in

not even by 8 it was measured in in

not even by 8 it was measured in in buckets so and well the yield was used

buckets so and well the yield was used

buckets so and well the yield was used to produce there is delicious products

to produce there is delicious products

to produce there is delicious products such as this smoked fish on the Left why

such as this smoked fish on the Left why

such as this smoked fish on the Left why not after all in the in the Ukraine

not after all in the in the Ukraine

not after all in the in the Ukraine there are it originally came from this

there are it originally came from this

there are it originally came from this goby was avoided in a monument as a

goby was avoided in a monument as a

goby was avoided in a monument as a great winner

great winner

great winner so the message is what an introduced

so the message is what an introduced

so the message is what an introduced alien species can be sometimes useful or

alien species can be sometimes useful or

alien species can be sometimes useful or at least can be used sometimes still it

at least can be used sometimes still it

at least can be used sometimes still it is necessary to refrain from an

is necessary to refrain from an

is necessary to refrain from an uncontrolled transfer of organisms by

uncontrolled transfer of organisms by

uncontrolled transfer of organisms by taking preventive preventive measures to

taking preventive preventive measures to

taking preventive preventive measures to avoid biological invasions until now we

avoid biological invasions until now we

avoid biological invasions until now we are not able to predict the outcome of

are not able to predict the outcome of

are not able to predict the outcome of such introductions and this is a big

such introductions and this is a big

such introductions and this is a big challenge to science new methods are

challenge to science new methods are

challenge to science new methods are needed such as machine learning to

needed such as machine learning to

needed such as machine learning to analyze the emerging big data about

analyze the emerging big data about

analyze the emerging big data about specious movements and their

specious movements and their

specious movements and their consequences our decisions on the

consequences our decisions on the

consequences our decisions on the removal and control of invasive species

removal and control of invasive species

removal and control of invasive species what already exists

what already exists

what already exists should be based on pragmatic

should be based on pragmatic

should be based on pragmatic cost-benefit assessments we should think

cost-benefit assessments we should think

cost-benefit assessments we should think beyond the limits and don’t dodge judge

beyond the limits and don’t dodge judge

beyond the limits and don’t dodge judge specious just on their origin thank you

specious just on their origin thank you

specious just on their origin thank you [Applause]

[Applause]

[Applause] [Music]

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