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Showing 1 to 12 of 180 entries
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Markedly divergent estimates of Amazon forest carbon density from ground plots and satellites.

Global ecology and biogeography : a journal of macroecology

Mitchard ET, Feldpausch TR, Brienen RJ, Lopez-Gonzalez G, Monteagudo A, Baker TR, Lewis SL, Lloyd J, Quesada CA, Gloor M, Ter Steege H, Meir P, Alvarez E, Araujo-Murakami A, Aragão LE, Arroyo L, Aymard G, Banki O, Bonal D, Brown S, Brown FI, Cerón CE, Chama Moscoso V, Chave J, Comiskey JA, Cornejo F, Corrales Medina M, Da Costa L, Costa FR, Di Fiore A, Domingues TF, Erwin TL, Frederickson T, Higuchi N, Honorio Coronado EN, Killeen TJ, Laurance WF, Levis C, Magnusson WE, Marimon BS, Marimon Junior BH, Mendoza Polo I, Mishra P, Nascimento MT, Neill D, Núñez Vargas MP, Palacios WA, Parada A, Pardo Molina G, Peña-Claros M, Pitman N, Peres CA, Poorter L, Prieto A, Ramirez-Angulo H, Restrepo Correa Z, Roopsind A, Roucoux KH, Rudas A, Salomão RP, Schietti J, Silveira M, de Souza PF, Steininger MK, Stropp J, Terborgh J, Thomas R, Toledo M, Torres-Lezama A, van Andel TR, van der Heijden GM, Vieira IC, Vieira S, Vilanova-Torre E, Vos VA, Wang O, Zartman CE, Malhi Y, Phillips OL.
PMID: 26430387
Glob Ecol Biogeogr. 2014 Aug;23(8):935-946. doi: 10.1111/geb.12168. Epub 2014 Apr 22.

AIM: The accurate mapping of forest carbon stocks is essential for understanding the global carbon cycle, for assessing emissions from deforestation, and for rational land-use planning. Remote sensing (RS) is currently the key tool for this purpose, but RS...

BIOFRAG - a new database for analyzing BIOdiversity responses to forest FRAGmentation.

Ecology and evolution

Pfeifer M, Lefebvre V, Gardner TA, Arroyo-Rodriguez V, Baeten L, Banks-Leite C, Barlow J, Betts MG, Brunet J, Cerezo A, Cisneros LM, Collard S, D'Cruze N, da Silva Motta C, Duguay S, Eggermont H, Eigenbrod F, Hadley AS, Hanson TR, Hawes JE, Heartsill Scalley T, Klingbeil BT, Kolb A, Kormann U, Kumar S, Lachat T, Lakeman Fraser P, Lantschner V, Laurance WF, Leal IR, Lens L, Marsh CJ, Medina-Rangel GF, Melles S, Mezger D, Oldekop JA, Overal WL, Owen C, Peres CA, Phalan B, Pidgeon AM, Pilia O, Possingham HP, Possingham ML, Raheem DC, Ribeiro DB, Ribeiro Neto JD, Douglas Robinson W, Robinson R, Rytwinski T, Scherber C, Slade EM, Somarriba E, Stouffer PC, Struebig MJ, Tylianakis JM, Tscharntke T, Tyre AJ, Urbina Cardona JN, Vasconcelos HL, Wearn O, Wells K, Willig MR, Wood E, Young RP, Bradley AV, Ewers RM.
PMID: 24967073
Ecol Evol. 2014 May;4(9):1524-37. doi: 10.1002/ece3.1036. Epub 2014 Mar 27.

Habitat fragmentation studies have produced complex results that are challenging to synthesize. Inconsistencies among studies may result from variation in the choice of landscape metrics and response variables, which is often compounded by a lack of key statistical or...

A national survey of HDR source knowledge among practicing radiation oncologists and residents: Establishing a willingness-to-pay threshold for cobalt-60 usage.

Brachytherapy

Mailhot Vega R, Talcott W, Ishaq O, Cohen P, Small CJ, Duckworth T, Sarria Bardales G, Perez CA, Schiff PB, Small W, Harkenrider MM.
PMID: 28522118
Brachytherapy. 2017 Jul - Aug;16(4):910-915. doi: 10.1016/j.brachy.2017.04.235. Epub 2017 May 15.

PURPOSE: Ir-192 is the predominant source for high-dose-rate (HDR) brachytherapy in United States markets. Co-60, with longer half-life and fewer source exchanges, has piloted abroad with comparable clinical dosimetry but increased shielding requirements. We sought to identify practitioner knowledge...

Multitrophic diversity effects of network degradation.

Ecology and evolution

Nichols E, Peres CA, Hawes JE, Naeem S.
PMID: 27547324
Ecol Evol. 2016 Jun 21;6(14):4936-46. doi: 10.1002/ece3.2253. eCollection 2016 Jul.

Predicting the functional consequences of biodiversity loss in realistic, multitrophic communities remains a challenge. No existing biodiversity-ecosystem function study to date has simultaneously incorporated information on species traits, network topology, and extinction across multiple trophic levels, while all three...

Density compensation in neotropical primate communities: evidence from 56 hunted and nonhunted Amazonian forests of varying productivity.

Oecologia

Peres CA, Dolman PM.
PMID: 28308371
Oecologia. 2000 Feb;122(2):175-189. doi: 10.1007/PL00008845.

Density compensation is a community-level phenomenon in which increases in the abundance of some species may offset the population decline, extirpation, or absence of other potentially interacting competitors. In this paper we examine the evidence for density compensation in...

Defaunation affects carbon storage in tropical forests.

Science advances

Bello C, Galetti M, Pizo MA, Magnago LF, Rocha MF, Lima RA, Peres CA, Ovaskainen O, Jordano P.
PMID: 26824067
Sci Adv. 2015 Dec 18;1(11):e1501105. doi: 10.1126/sciadv.1501105. eCollection 2015 Dec.

Carbon storage is widely acknowledged as one of the most valuable forest ecosystem services. Deforestation, logging, fragmentation, fire, and climate change have significant effects on tropical carbon stocks; however, an elusive and yet undetected decrease in carbon storage may...

Paving the way to the future of Amazonia.

Trends in ecology & evolution

Peres CA.
PMID: 11301138
Trends Ecol Evol. 2001 May 01;16(5):217-219. doi: 10.1016/s0169-5347(01)02132-2.

The fate of the Brazilian Amazon is threatened by a new wave of frontier expansion following new infrastructure commitments worth US$40 bn from the federal Government. In a recent paper, alarming rates of deforestation and forest degradation have been...

Fischer-Tropsch synthesis on anchored Co/Nb2O5/Al2O3 catalysts: the nature of the surface and the effect on chain growth.

The journal of physical chemistry. B

Mendes FM, Perez CA, Noronha FB, Souza CD, Cesar DV, Freund HJ, Schmal M.
PMID: 16671728
J Phys Chem B. 2006 May 11;110(18):9155-63. doi: 10.1021/jp060175g.

A series of Co/x%Nb2O5/Al2O3 catalysts were prepared by anchoring niobia on an Al2O3 support at different niobia concentrations. Characterization of the structure and nature of surface active sites was attempted in order to correlate the CO hydrogenation activity of...

How I became my doctor's free continuing medical education provider.

Positively aware : the monthly journal of the Test Positive Aware Network

Perez CA.
PMID: 16220607
Posit Aware. 2005 Sep-Oct;16(5):43-4.

No abstract available.

Whatever happened to capillary electrochromatography?.

Journal of separation science

Pesek JJ.
PMID: 15334912
J Sep Sci. 2004 Mar;27(4):261. doi: 10.1002/jssc.200490010.

No abstract available.

Investigation of folding in protamine by FTIR.

Talanta

Pesek JJ, Shabary FR.
PMID: 18965518
Talanta. 1992 Oct;39(10):1215-8. doi: 10.1016/0039-9140(92)80227-5.

The secondary structure of purified protamine, a non-specific DNA binding protein, was studied in solution at pH 4, 7 and 8 by FTIR. This permitted analysis of the folded form of the protein (acidic pH) as well as the...

Rethinking tropical ecosystem management.

Trends in ecology & evolution

Peres CA.
PMID: 21238289
Trends Ecol Evol. 1998 Jun 01;13(6):252-3. doi: 10.1016/s0169-5347(98)01347-0.

Tropical Environments: The Functioning and Management of Tropical Ecosystems by M. Kellman and R. Tackaberry Routledge, 1997. £60.00 hbk, £18.99 pbk (xix+380 pages) ISBN 0 415 11608 2/0 415 11609 0.

Showing 1 to 12 of 180 entries