Our Planet: Freshwater

Question 1

one of the major rivers of tanzania

Answer 1

the great ruaha river

Question 2

it is considered as the ecological backbone of tanzania

Answer 2

the great ruaha river

Question 3

the great ruaha river started to dry up in _____ since agriculture started

Answer 3

1993

Question 4

what are the economical and ecological importance of the great ruaha river

Answer 4

it generates more than 50% of tanzania’s electricity
supplies 22% of rufiji catchment system, used for irrigating agriculture, fshing, livestock
38 species of fish have been identified

Question 5

this is the biota representative of the greata ruaha river

Answer 5

cape buffalo (syncerus caffer)

Question 6

the economical and ecological importance of the cape buffao

Answer 6

belongs in the big five sought in the ecotourism industry

primary consumers in the food chain

Question 7

features of cape buffalo:

Answer 7

males and females have horns

most unique feature: skull as the vomer and palatine bones remain separate

Question 8

conservation threats to cape buffalo:

Answer 8

water diversions for human use affected the buffalo population: 2313 (2004) to 924 (2013)

Question 9

conservation threats to the great ruaha river

Answer 9

limited freshwater allocation
irrigation agriculture depending on the 70% of the countrys workforce
industrial sector leading to degration of water system

Question 10

conservation target for great ruaha river

Answer 10

60m buffer zone (from edge of a water source)
planting of 60000 seedlings of figs and mangos
8 trained water associations to assess river water quality
25 forest scouts to protect the forest
120 km total area of catchment forest
92% of the water meets the quality requirement

Question 11

the biota representative of the crystal river

Answer 11

florida manatee (trichecus manatus latirostris)

Question 12

manatees feed on them

Answer 12

water hyacinths

Question 13

physical description of manatees:

Answer 13

gray/brown skin color
green/white tinge due to barnacle growth
5-7 pairs of molars
3.5-4.0m adult length (females are larger than males)
smallest brain among the mammals in body mass

Question 14

the african great lake

Answer 14

lake tanganyika

Question 15

the longest freshwater lake in the world

Answer 15

lake tanganyika

Question 16

the second largest, oldest, deepest freshwater lake

Answer 16

lake tanganyika

Question 17

lake tanganyika is internnationally recognized as a________________

Answer 17

global hotspot for biodiversity

Question 18

biota representative of lake tanganyika

Answer 18

cichlidae

lamprologus callipterous

Question 19

a phenomenon of explosive speciation
impressive family size
99% of 250 species are endemic
can survive in deoxygenated water regions for a short period of time

Answer 19

cichlidae

Question 20

the challenges of lake tanganyika

Answer 20

sedementation
fishing boats
sanitation infrastracture

Question 21

between 1995 to 2011, there is a decrease in the total fish stock by ___

Answer 21

25%

Question 22

conservation threats to cichlidae

Answer 22

temperature rises over the last 150 years reducing the suitable habitat of organisms by 38%

sudden rise of temperature decreased the amount of o2 threatening the lives of the species

Question 23

world’s largest internally draining river system

Answer 23

kati-thanda lake eyre

Question 24

description of kati-thanda lake eyre

Answer 24

1. used for land grazing
2. lake water is exposed to evaporation
3. fourth largest lake
4. rarely gets filled

Question 25

biota representative of kati-thanda lake eyre

Answer 25

australian pelican (pelecanus conspicillatus)

Question 26

conservation threats to lake eyre

Answer 26

1. human activities 2. damage caused by invasive species 3. cllimate change

Question 27

conservation threats to australian pelican

Answer 27

1. habitat destruction 2. oil spill 3. pollution from human waste

Question 28

conservation status of the australian pelican:

Answer 28

low risk

Question 29

it is the devil's throat

Answer 29

iguazu river and falls

Question 30

the water from the iguazu river comes from ____

Answer 30

amazon forest

Question 31

it is the largest waterfall in the world

Answer 31

iguazu river and falls

Question 32

what two countries separate iguazu river and falls?

Answer 32

brazil and argentina

Question 33

the conservation threats of iguazu

Answer 33

increased temperatures man-made hydroelectric dams pollutants from agriculture infrastractures

Question 34

the biota representative in iguazu

Answer 34

black capuchin

Question 35

the characteristics of a black capuchin

Answer 35

cheeky, social, smart

Question 36

diffference between normal black capuchin vs those found in iguazu

Answer 36

black capuchin in iguazu is considered a double edged sword

Question 37

the lifespan of a black capuchin

Answer 37

528 months

Question 38

conservation threats to black capuchin

Answer 38

residential and commercial development service corridor developments hunting, trapping, and selling transportation this threats cause fragmentation, disconnection, loss of species

Question 39

this forms the platte river in nebraska, usa

Answer 39

north platte and south platte river

Question 40

the most shallow river

Answer 40

platte river

Question 41

biota representative of platte river

Answer 41

pallid sturgeon

Question 42

the largest freshwater species

Answer 42

pallid sturgeon

Question 43

conversation threats of platte river

Answer 43

constructions of infrastractures residents using the freshwater excessive water evaporation

Question 44

conversation threats of pallid sturgeon

Answer 44

dams illegal harvesting of young pallid sturgeons

Question 45

a basin wide effort undertaken by the department of the interior

Answer 45

PRRICP

Question 46

known as the river of five colors

Answer 46

cano cristales

Question 47

a mineral-rich rock formation where river travels on

Answer 47

guiana shield

Question 48

location of cano cristales

Answer 48

colombia

Question 49

this gives the color the cano cristales exhibits

Answer 49

macarenia clavigera

Question 50

conservation threats to cano cristales

Answer 50

illegal gold mining and oil extraction

Question 51

conservation threats to macarenia clavigeria

Answer 51

mass deforestation | illegal tourism

Question 52

second most diverse river in the world and the 12th longest river in the word

Answer 52

mekong river

Question 53

biota representative of the mekong river also known as siamese fighting fish

Answer 53

betta splendens

Question 54

this allows the betta fish to breathe

Answer 54

labyrinth organ