Midterm: Readings

Question 1

Nitrogen Deposition

Answer 1

the input of reactive nitrogen from the atmosphere to the biosphere both as gases, dry deposition and in precipitation as wet deposition

Question 2

Pyrogenic

Answer 2

caused by combustion or the application of heat

Question 3

Petrogenic

Answer 3

produced by the incomplete combustion of petroleum

Question 4

Assimilation Capacity

Answer 4

Ability of a body of water to cleanse itself

Question 5

In the article: Ecological Footprint: Implications for biodiversity, where did world leaders gather in 2010 and why?

Answer 5

Nagoya Japan, to adopt new biodiversity targets and new indicators

Question 6

How many countries are studied in the article Ecological Footprint: Implications for biodiversity?

Answer 6

120 countries

Question 7

In the Deepwater Horizon Oil Spill Article how many types of fish were teasted?

Answer 7

7

Question 8

In the Deepwater Horizon Oil Spill Article, what were the fish tested for?

Answer 8

PAH levels, several metals and dispersents (mainly DOSS)

Question 9

In the Deepwater Horizon Oil Spill Article, were the results for PAHs suggesting pyrogenic or petrogenic causes?

Answer 9

Pyrogenic (sources other then the Deepwater spill)

Question 10

Generally speaking, in the Deepwater Horizon Oil Spill Article, what were the levels of metals?

Answer 10

Very low and/or consistent with previous records

Question 11

In the Deepwater Horizon Oil Spill Article, what was the fish that contained exceptional low levels of metal and what metal was it?

Answer 11

Tilefish

Lower levels of Mercury

Question 12

What was the goal in the Ecological footprint (biodiversity article)?

Answer 12

to describe the role of the Ecological

Footprint in tracking human-induced pressures on biodiversity

Question 13

What does DOSS stand for?

Answer 13

dioctyl sodium sulfosuccinate

Question 14

What does PAH stand for?

Answer 14

polycyclic aromatic hydrocarbons

Question 15

What was the purpose of the study done in the BP Oil article?

Answer 15

To determine whether this posed any threat to the health of seafood consumers in the area

Question 16

What types of fish were tested in the BP Oil article?

Answer 16

red snapper, grouper (red, yellowedge, scamp, gag and snowy), tilefish

Question 17

How were the BP Oil fish samples obtained and where?

Answer 17

Commercial fisherman collected the samples taken from areas where they obtain the majority of their catch

Question 18

BP Oil article: What were the results for PAHs?

Answer 18

Very few samples contained detectable levels; levels that were detected were primarily below the level of concern

Question 19

BP Oil article: what were the results for dispersents (DOSS)?

Answer 19

Tests gave no indication of any dispersants present in the samples, which is consistent with other studies

Question 20

BP Oil article: what were the results for different metals tested?

Answer 20

Mercury levels were lower than expected; results for cadmium, lead and arsenic testing were found to be generally lower than comparable studies

Question 21

What does NFA stand for?

Answer 21

National Footprint Accounts

Question 22

In what ways does humanity threaten biodiversity?

Answer 22

1. over-exploitation of species
2. Destroying species’ habitats
3. pollutants have a negative effect on species
4. invasive species

Question 23

What is the purpose of the article “Ecological Footprint: Implications for biodiversity”?

Answer 23

To demonstrate that ecological footprint is an important unit of measurement that world leaders must take into account when looking to preserve biodiversity