The following is the list of ad hoc short-hand notation for journals I read regularly.  They are used in blogs.

AAM    Ann Appl Math

AAP    Adv Appl Probab

AcM    Acta Math

AEM    Applied Env Microbiol

AHES    Ann H E Superieur

AJB    Am J Bot

AJM    Amer J Math

AMBG    Ann Mo Bot Gard

AN    Am Nat

AP    Ann Probab

ARAnth    Annu Rev Anthropol

ARBC    Annu Rev Biochem

ARBP    Annu Rev Biophys 

ARCDB    Annu Rev Cell  Dev Biol

AREES    Annu Rev Ecol Evol System

AREnt    Annu Rev Entomol

ARGen    Annu Rev Genet

ARGeno    Annu Rev Genom Hum Genet

ARMA    Arch Ration. Mech Anal

ARMB    Annu Rev Microbiol

BE    Bioessays

BI    Bioinformatics

BL    Biol Lett

BioCon    Biol Conserv

BioDiv    Biol Diver Conserv

Biostat    Biostatistics

BJLS    Biol J Linn Soc

BLMS    Bull Lond Math Soc

BMCXXX -> BX

BotJLS    Bot J Linn Soc

BPJ    Biophysical J

BS    BioSyst

BSc    Bioscience

BSL    Bull Symbolic Logic

CB    Curr Biol

C     Cell

Clad    Cladistics

CMP    Comm Math Phys

COCB    Curr Opin Cell Biol

COChB    Curr Opin Chem Biol

COGD    Curr Opin Genet Dev

COMi    Curr Opin Microbiol

CONB    Curr Opin Neurobiol

COPB    Curr Opin Plant Biol

COSB    Curr Opin Struct Biol

CPAM    Comm Pure Appl Math

D    Development

DB    Dev Biol

DC    Dev Cell

DGE    Dev Gen Evol

DivDis    Divers Distrib

E    Evolution

Ec    Ecology

ED    Evol Dev

EMBO J

EMBO Rep

ETDS    Ergod Theor Dynam Syst

EPL    Europhys Lett

EPJ    Europhys J

G    Genetics

GB    Genome Biol

GD    Gen & Dev

GR    Genome Res

H    Heredity

ISoc    Insect Soc

IndJM    Indiana Univ Math J

InvM    Invent Math

IJSEM    Int J Syst Evol Microbiol

IJM    Illinois J Math

IJMP    Int J Mod Phys

JAMS    J Amer Math Soc

JCB    J Cell Biol

JCS    J Cell Sci

JCoB    J Comput Biol

JCP    J Chem Phys

JDE    J Differential Equations

JE    J Ecol

JEB    J Evol Biol

JExZ B    J Exper Zool B Mol Dev Evol

JFA    J Funct Anal

JH    J Hered

JMB    J Math Biol, or J Mol Biol

JME    J Mol Evol

JML    J Math Log

JMO    J Morphol

JMP    J Math Phys

JNS    J Nonlinear Sci

JP    J Phys

JPSJ    J Phys Soc Jpn

JSP    J Stat Phys

JTB    J Theor Biol

JTE    J Trop Ecol

LNM    Lect Notes Math

MB    Mol Biol

MBE    Mol Biol  Evol

MC    Molecular Cell

MMBR    Microbiol Mol Biol Rev

MPE    Mol Phylogen Evol

MSB    Mol Syst Biol

N    Nature

NA    Nonlinear Anal

NAMS    Notices AMS

NAR    Nucleic Acids Res

Nbt    Nat Biotechnol

Ncb    Nat Cell Biol

Ng    Nat Genet

NLM    Nuerobiol Learn Memory

Nn    Nat Neurosci

Nrg    Nat Rev Genet

Nrm    Nat Rev Microbiol

Nrmcb    Nat Rev  Mol Cell Biol

Nrn    Nat Rev Neurobiol

Nsb    Nat Struct Biol

Non    Nonlinearity

NPh    New Phytol

Oi    Oikos

PA    Physica A

PAMS    Proc AMS

P    Proc Natl Acad Sci USA

PCB    PLoS Comp Biol

PB    PLoS Biol

PD    Physica D

PG    PLoS Genet

PRep    Phys Rep

PRE    Phys Rev E

PRL    Phys Rev Lett

PRS    Proc Roy Soc Lond, Ser  B: Biol Sci

PSE    Plant Syst Evol

PTP    Prog Theor Phys

PTRS    Phil Trans Roy Soc Lond, Ser B: Biol Sci

QJM    Quart J Math

QRB    Q Rev Biol

QRBP    Q Rev Biophys

RMP    Rev Mod Phys

RMS    Russ Math Surveys

RPP    Rep Prog Phys

S    Science

SB    Syst Biol

SJAM    SIAM JAM SIAM J Appl Math

SSC    SIAMJ SCSIAM J Sci Comp

SNA    SIAMJ NASIAMJ Num Anal

SJMA    SIAM JMASIAM J Math Anal

SZ    System Zool

TAMS    Trans Amer Math Soc

TBCS    Trends Biochem Sci

TCB    Trends Cell Biol

TCS    Trends Cognitive Sci

TDB     Trends Dev Biol

TG    Trends Genet

TMB    Trends Microbiol

TNS    Trends Neurosci

TPA    Theor Prob Applic

TPS    Trends Plant Sci

TREE    Trends Ecol Evol

ZJLS    Zoo J Linn Soc

ZW    Prob Theor Appl (Zeit Wahr)

http://www.csa.com/ids70/serials_source_list.php?db=biolclust-set-c