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Environmental Sciences
Portugal
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 69 1820 1734 8 8 380 14329
Biology and Biochemistry 72 6428 5933 26 26 418 15400

Paula M. L. Castro publications per year

The chart shows the history of publications by Paula M. L. Castro between 1992 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Paula M. L. Castro published across 34 years, from 1992 to 2025, averaging 15.3 papers a year. Output peaked at 46 publications in 2013. 26 of the 521 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1992 to 2025. Vertical axis: number of publications, 0 to 46. Peak 46 publications in 2013. 1992: 1 publication 1993: 1 publication 1994: 1 publication 1995: 2 publications 1996: 1 publication 1997: 2 publications 1998: 0 publications 1999: 1 publication 2000: 0 publications 2001: 3 publications 2002: 4 publications 2003: 15 publications 2004: 6 publications 2005: 14 publications 2006: 11 publications 2007: 16 publications 2008: 18 publications 2009: 26 publications 2010: 22 publications 2011: 43 publications 2012: 43 publications 2013: 46 publications 2014: 38 publications 2015: 28 publications 2016: 22 publications 2017: 26 publications 2018: 23 publications 2019: 12 publications 2020: 18 publications 2021: 26 publications 2022: 12 publications 2023: 14 publications 2024: 13 publications 2025: 13 publications
1992 2025

521 publications in total across all disciplines

View publications per year as a table
Paula M. L. Castro: publications per year, 1992 to 2025
Year Publications
1992 1
1993 1
1994 1
1995 2
1996 1
1997 2
1998 0
1999 1
2000 0
2001 3
2002 4
2003 15
2004 6
2005 14
2006 11
2007 16
2008 18
2009 26
2010 22
2011 43
2012 43
2013 46
2014 38
2015 28
2016 22
2017 26
2018 23
2019 12
2020 18
2021 26
2022 12
2023 14
2024 13
2025 13
Total 521
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Paula M. L. Castro publications per year - data summary

  • Paula M. L. Castro, a Environmental Sciences scholar from Catholic University of Portugal, has 521 publications recorded across 34 years, from 1992 to 2025.
  • The oldest publication on record dates to 1992 and the most recent to 2025.
  • The most productive year is 2013, with 46 publications.
  • The least productive years with any output are 1992, 1993, 1994, 1996 and others, with 1 publication each.
  • 2 of the 34 years in the span carry no publications at all (1998 and 2000).
  • The rate of publication averages 15.3 papers per year over the whole span, or 16.3 per year counting only the 32 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 78 publications, 15% of the career total.
  • Split into equal eras - 1992-2003: 31 publications (2.6 per year); 2004-2015: 311 publications (25.9 per year); 2016-2025: 179 publications (17.9 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Paula M. L. Castro publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Paula M. L. Castro sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 66 bars. Horizontal axis: publications, 41–50 to 690+. Vertical axis: number of scientists, 0 to 617. Most scientists, 617, have 121–130 publications. The last bar groups every scientist with 690 publications or more. The highlighted bar, 371–380 publications, is where this scientist sits. 41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 282 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–689 publications: 4 scientists 690+ publications: 100 scientists
41–50 publications 690+

This scientist: 380 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

View publications distribution as a table
Number of Environmental Sciences scientists by publication count, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
Publications Scientists This scientist
41–50 21
51–60 62
61–70 133
71–80 257
81–90 361
91–100 440
101–110 492
111–120 541
121–130 617
131–140 544
141–150 541
151–160 539
161–170 444
171–180 444
181–190 400
191–200 377
201–210 318
211–220 282
221–230 263
231–240 220
241–250 217
251–260 180
261–270 181
271–280 155
281–290 130
291–300 127
301–310 130
311–320 85
321–330 106
331–340 80
341–350 83
351–360 75
361–370 69
371–380 52 380
381–390 54
391–400 56
401–410 44
411–420 40
421–430 36
431–440 25
441–450 25
451–460 32
461–470 29
471–480 21
481–490 26
491–500 26
501–510 17
511–520 19
521–530 15
531–540 22
541–550 12
551–560 15
561–570 11
571–580 19
581–590 9
591–600 9
601–610 7
611–620 11
621–630 5
631–640 5
641–650 6
651–660 3
661–670 3
671–680 4
681–689 4
690+ 100
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Paula M. L. Castro publication distribution in Environmental Sciences in 2026 - data summary

  • The chart plots the publication count of all 9,676 Environmental Sciences scientists ranked by Research.com in 2026, grouped into 66 ranges running from 41–50 to 690+ publications.
  • Paula M. L. Castro, a Environmental Sciences scholar from Catholic University of Portugal, records 380 publications - the 93rd percentile of the discipline.
  • 93% of ranked Environmental Sciences scientists score the same or lower than Paula M. L. Castro, and about 7% score higher.
  • The median of the discipline falls in the 161–170 publications range, and Paula M. L. Castro ranks above the median.
  • The most crowded range is 121–130 publications, holding 617 scientists (6% of the field).
  • 67% of the field sits in the lowest quarter of the value range (up to 201–210 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 690 publications or more, 100 scientists in all (1% of the field).

Paula M. L. Castro D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Paula M. L. Castro sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 97 bars. Horizontal axis: D-Index, 30 to 126+. Vertical axis: number of scientists, 0 to 348. Most scientists, 348, have 45 D-Index. The last bar groups every scientist with 126 D-Index or more. The highlighted bar, 69 D-Index, is where this scientist sits. 30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 198 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 20 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125 D-Index: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 69 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

View D-Index distribution as a table
Number of Environmental Sciences scientists by D-index, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
D-Index Scientists This scientist
30 12
31 26
32 51
33 88
34 123
35 163
36 206
37 267
38 265
39 275
40 321
41 343
42 305
43 336
44 330
45 348
46 291
47 275
48 272
49 273
50 263
51 232
52 266
53 217
54 198
55 177
56 202
57 204
58 166
59 177
60 166
61 152
62 143
63 150
64 124
65 119
66 120
67 118
68 82
69 98 69
70 94
71 105
72 74
73 84
74 70
75 67
76 78
77 60
78 59
79 52
80 47
81 38
82 48
83 42
84 42
85 43
86 29
87 37
88 29
89 30
90 34
91 20
92 22
93 17
94 19
95 24
96 21
97 20
98 24
99 17
100 17
101 21
102 25
103 18
104 26
105 20
106 15
107 10
108 13
109 15
110 12
111 8
112 7
113 9
114 6
115 12
116 7
117 8
118 3
119 5
120 7
121 2
122 4
123 8
124 7
125 9
126+ 92
Download as CSV

Paula M. L. Castro D-index placement in Environmental Sciences in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 9,676 Environmental Sciences scientists ranked by Research.com in 2026, grouped into 97 ranges running from 30 to 126+ D-Index.
  • Paula M. L. Castro, a Environmental Sciences scholar from Catholic University of Portugal, records 69 D-Index - the 82nd percentile of the discipline.
  • 82% of ranked Environmental Sciences scientists score the same or lower than Paula M. L. Castro, and about 18% score higher.
  • The median of the discipline falls in the 51 D-Index range, and Paula M. L. Castro ranks above the median.
  • The most crowded range is 45 D-Index, holding 348 scientists (4% of the field).
  • 59% of the field sits in the lowest quarter of the value range (up to 54 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 126 D-Index or more, 92 scientists in all (<1% of the field).

Research.com Recognitions

  • 2026 - Research.com Environmental Sciences in Portugal Leader Award
  • 2025 - Research.com Environmental Sciences in Portugal Leader Award

Overview

Paula M. L. Castro is affiliated with the Catholic University of Portugal in Portugal. Their research primarily focuses on the fields of Environmental Science and Agricultural and Biological Sciences, with significant contributions to subfields such as Pollution, Plant Science, Industrial and Manufacturing Engineering, Water Science and Technology, and Biomedical Engineering.

The main topics of research explored by Paula M. L. Castro include:

  • Wastewater Treatment and Nitrogen Removal
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Constructed Wetlands for Wastewater Treatment
  • Legume Nitrogen Fixing Symbiosis
  • Plant-Microbe Interactions and Immunity
  • Membrane Separation Technologies
  • Microplastics and Plastic Pollution

The scientist has published extensively, with recent noteworthy papers including:

  • Plant growth-promoting rhizobacteria (PGPR) improve the growth and nutrient use efficiency in maize (Zea mays L.) under water deficit conditions, 2020, Heliyon
  • Synergistic effect of organo-mineral amendments and plant growth-promoting rhizobacteria (PGPR) on the establishment of vegetation cover and amelioration of mine tailings, 2020, Chemosphere
  • Quantification of fluoroquinolones in wastewaters by liquid chromatography-tandem mass spectrometry, 2020, Environmental Pollution
  • Long-term stability of a non-adapted aerobic granular sludge process treating fish canning wastewater associated to EPS producers in the core microbiome, 2020, The Science of The Total Environment
  • Phytomanagement of Metal(loid)-Contaminated Soils: Options, Efficiency and Value, 2021, Frontiers in Environmental Science

Their frequent coauthors include:

  • Catarina L. Amorim
  • Sofia I.A. Pereira
  • Helena Moreira
  • Irina S. Moreira
  • D. P. Mesquita

Paula M. L. Castro has contributed multiple articles to several scientific journals, most frequently publishing in Chemosphere, the Journal of Environmental Chemical Engineering, Applied Sciences, SSRN Electronic Journal, and Heliyon.

Best Publications

  • Remediation of Heavy Metal Contaminated Soils: Phytoremediation as a Potentially Promising Clean-Up Technology

    Ana P. G. C. Marques;António O. S. S. Rangel;Paula M. L. Castro

  • Constructed wetland systems vegetated with different plants applied to the treatment of tannery wastewater

    Cristina S.C. Calheiros;António O.S.S. Rangel;Paula M.L. Castro

  • Metal uptake by microalgae: Underlying mechanisms and practical applications

    Cristina M. Monteiro;Paula M. L. Castro;F. Xavier Malcata;F. Xavier Malcata;F. Xavier Malcata

  • Assessment of the plant growth promotion abilities of six bacterial isolates using Zea mays as indicator plant.

    Ana P.G.C. Marques;Carlos Pires;Carlos Pires;Helena Moreira;António O.S.S. Rangel

  • Phytoremediation of polyaromatic hydrocarbons, anilines and phenols.

    Patricia J. Harvey;Bruno F. Campanella;Paula M. L. Castro;Hans Harms

  • Valorisation of natural extracts from marine source focused on marine by-products: A review

    Vincenza Ferraro;Isabel B. Cruz;Ruben Ferreira Jorge;F. Xavier Malcata

  • Performance of aerobic granular sludge in a sequencing batch bioreactor exposed to ofloxacin, norfloxacin and ciprofloxacin

    Catarina L. Amorim;Catarina L. Amorim;Alexandra S. Maia;Alexandra S. Maia;Raquel B.R. Mesquita;Raquel B.R. Mesquita;António O.S.S. Rangel

  • Biodegradation of ofloxacin, norfloxacin, and ciprofloxacin as single and mixed substrates by Labrys portucalensis F11.

    Catarina L. Amorim;Catarina L. Amorim;Irina S. Moreira;Alexandra S. Maia;Alexandra S. Maia;Maria E. Tiritan;Maria E. Tiritan

  • Oxygen vacancies, the optical band gap (Eg) and photocatalysis of hydroxyapatite: Comparing modelling with measured data

    V.S. Bystrov;C. Piccirillo;D.M. Tobaldi;P.M.L. Castro

  • Use of constructed wetland systems with Arundo and Sarcocornia for polishing high salinity tannery wastewater

    Cristina S.C. Calheiros;Paula V.B. Quitério;Gabriela Silva;Luís F.C. Crispim

  • Treatment of industrial wastewater with two-stage constructed wetlands planted with Typha latifolia and Phragmites australis.

    Cristina S.C. Calheiros;António O.S.S. Rangel;Paula M.L. Castro

  • Evaluation of Phenolic Profiles and Antioxidant Activities of Turkish Medicinal Plants: Tiliaargentea, Crataegi Folium Leaves and Polygonum bistorta Roots

    S. Demiray;M. E. Pintado;P. M. L. Castro

  • Inoculating Helianthus annuus (sunflower) grown in zinc and cadmium contaminated soils with plant growth promoting bacteria – Effects on phytoremediation strategies

    Ana P.G.C. Marques;Helena Moreira;Albina R. Franco;António O.S.S. Rangel

  • Phosphate-solubilizing rhizobacteria enhance Zea mays growth in agricultural P-deficient soils

    Sofia I.A. Pereira;Paula M.L. Castro

  • Application of a statistical design to the optimization of culture medium for recombinant interferon-gamma production by Chinese hamster ovary cells.

    Paula M. L. Castro;Paul M. Hayter;Andrew P. Ison;Alan T. Bull

  • Plant growth-promoting rhizobacteria (PGPR) improve the growth and nutrient use efficiency in maize (Zea mays L.) under water deficit conditions

    S.I.A. Pereira;D. Abreu;H. Moreira;A. Vega

  • Extraction and characterisation of apatite- and tricalcium phosphate-based materials from cod fish bones.

    C. Piccirillo;M. F. Silva;R. C. Pullar;I. Braga da Cruz

  • 4-Chlorophenol degradation by a bacterial consortium: development of a granular activated carbon biofilm reactor.

    M. Caldeira;Stephen C. Heald;Maria F. Carvalho;I. Vasconcelos

  • Changes in the bacterial community structure in two-stage constructed wetlands with different plants for industrial wastewater treatment

    Cristina S.C. Calheiros;Anouk F. Duque;Alexandra Moura;Isabel S. Henriques

  • Biodegradation of Diclofenac by the bacterial strain Labrys portucalensis F11

    Irina S. Moreira;Vânia S. Bessa;Sapia Murgolo;Clara Piccirillo

  • Evaluation of different substrates to support the growth of Typha latifolia in constructed wetlands treating tannery wastewater over long-term operation.

    Cristina S.C. Calheiros;António O.S.S. Rangel;Paula M.L. Castro

Frequent Co-Authors

Maria Elizabeth Tiritan
Maria Elizabeth Tiritan University of Porto
Manuela Pintado
Manuela Pintado Catholic University of Portugal
F. Xavier Malcata
F. Xavier Malcata University of Porto
Carlos A. M. Afonso
Carlos A. M. Afonso University of Lisbon
Robert C. Pullar
Robert C. Pullar Ca Foscari University of Venice
Alan T. Bull
Alan T. Bull University of Kent
Eugénio C. Ferreira
Eugénio C. Ferreira University of Minho
Miroslav Vosátka
Miroslav Vosátka Czech Academy of Sciences
Dick B. Janssen
Dick B. Janssen University of Groningen
Hans Brix
Hans Brix Aarhus University

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