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Topic · Oceanography

Marine and coastal ecosystems

Marine and coastal ecosystems is a research topic within Oceanography. Science Explorer counts 63k research works in it since 1950. 29.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the complex interactions between marine biogeochemistry, ecosystem dynamics, and environmental factors such as eutrophication, harmful algal blooms, and climate change. It explores the role of dissolved organic matter, nutrient limitation, and phytoplankton in the oceanic carbon cycle and highlights the impact of global warming on biological productivity and oxygen levels in the oceans.

  • Dissolved Organic Matter
  • Eutrophication
  • Harmful Algal Blooms
  • Oceanic Carbon Cycle
  • Phytoplankton
  • Global Warming
  • Nutrient Limitation
  • Biological Productivity
  • Oceanic Oxygen Levels
  • Climate Change
Research works
63k
fractional, since 1950
In the world top 10%
18k
per year above
Top-10% rate
29.0%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+13%
the tick is no change

Which countries lead Marine and coastal ecosystems research?

By volume, China and the United States publish the most (2.8k and 1.4k works in 2022–2025).

By volume, 2022–2025

  1. 1 China 2.8k works
  2. 2 United States 1.4k works
  3. 3 France 401 works
  4. 4 Germany 341 works
  5. 5 India 318 works
  6. 6 Japan 306 works
  7. 7 United Kingdom 263 works
  8. 8 Russia 254 works
  9. 9 Canada 235 works
  10. 10 South Korea 225 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 42.6%United States: 21.6%France: 6.1%Germany: 5.2%6 others listed: 24.4%43%largest
China2,794 · 42.6%United States1,416 · 21.6%France401 · 6.1%Germany341 · 5.2%6 others listed1,602 · 24.4%

Shares of the rows listed above, not of the whole node.

Which institutions lead Marine and coastal ecosystems research?

By volume in 2022–2025, Chinese Academy of Sciences publishes the most Marine and coastal ecosystems research, followed by Ocean University of China and University of Chinese Academy of Sciences.

Who are the leading researchers in Marine and coastal ecosystems?

The most-cited researchers publishing on Marine and coastal ecosystems include Quanan Zheng, Carlos M. Duarte and Philippe Ciais.

  1. 1 Quanan Zheng United States 4.5k citations
  2. 2 Carlos M. Duarte Saudi Arabia 4.1k citations
  3. 3 Philippe Ciais France 4k citations
  4. 4 Stephen R. Carpenter United States 3.2k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

Where is Marine and coastal ecosystems research done?

The largest centres of Marine and coastal ecosystems research in 2022–2025 are Beijing (China), Qingdao (China), Nanjing (China) and Guangzhou (China). Among places with at least 20 works in it, it is an unusually large share of all research in Warnemünde, Cambridge and Panjim.

Largest cities, 2022–2025

  1. 1 Beijing China 665 works
  2. 2 Qingdao China 315 works
  3. 3 Nanjing China 219 works
  4. 4 Guangzhou China 173 works
  5. 5 Shanghai China 158 works
  6. 6 Paris France 138 works
  7. 7 Xiamen China 115 works
  8. 8 Moscow Russia 114 works
  9. 9 Wuhan China 102 works
  10. 10 Hangzhou China 92 works

Where it is the local speciality

  1. WarnemündeDE · 21.4 works218×
  2. CambridgeUS · 22.8 works169×
  3. PanjimIN · 30.5 works140×
← less than its size predictsmore →

Location quotient: how much more of its research is in Marine and coastal ecosystems than the world average.

See Marine and coastal ecosystems on the map

Where is the best place to study Marine and coastal ecosystems?

Among universities, judged by research, Zhejiang Ocean University, Xiamen University and Carl von Ossietzky Universität Oldenburg score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 32.43%fractional works in this node (log) →share in the world top 10% →Zhejiang Ocean University: 28, 20.5%Xiamen University: 78, 29.3%Carl von Ossietzky Universität Oldenburg: 15, 42.6%Ocean University of China: 120, 20.4%University of South Florida St. Petersburg: 10, 46.9%Hohai University: 40, 28.3%College of Marin: 17, 32.2%University of Hawaiʻi at Mānoa: 18, 40.1%China University of Geosciences: 27, 33.4%University of Maryland Center for Environmental Science: 23, 30.6%Carl von Ossietzky U…Xiamen UniversityZhejiang Ocean Unive…Ocean University of …
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Zhejiang Ocean UniversityChina 59.520.5%19.6×28 +414.8%
2 Xiamen UniversityChina 58.329.3%12.4×78 -16.7%
3 Carl von Ossietzky Universität OldenburgGermany 58.342.6%11.6×15 +45.6%
4 Ocean University of ChinaChina 56.620.4%27.7×120 -11.8%
5 University of South Florida St. PetersburgUnited States 56.346.9%83.8×10 +13.7%
6 Hohai UniversityChina 55.428.3%8.4×40 +89.8%
7 College of MarinUnited States 55.032.2%73.9×17 +27.7%
8 University of Hawaiʻi at MānoaUnited States 54.940.1%10.6×18 -22.8%
9 China University of GeosciencesChina 53.533.4%6.9×27 +121.7%
10 University of Maryland Center for Environmental ScienceUnited States 52.830.6%181.9×23 -3.7%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Marine and coastal ecosystems research growing?

Output in 2018–2022 was 13% higher than in 2013–2017, peaking in 2021. The fastest-growing topics are Marine and coastal ecosystems.

19801990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.